Pašti, Igor A.

Link to this page

Authority KeyName Variants
orcid::0000-0002-1000-9784
  • Pašti, Igor A. (41)
Projects
Lithium-ion batteries and fuel cells - research and development Electroconducting and redox-active polymers and oligomers: synthesis, structure, properties and applications
Studies of enzyme interactions with toxic and pharmacologically active molecules Serbian Academy of Sciences and Arts
Hydrogen Energy - Research and Development of New Materials: Electrolytic Hydrogen Production, Hydrogen Fuel Cells, Isotope Effects Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden
Physics and Chemistry with Ion Beams Synthesis, processing and characterization of nanostructured materials for application in the field of energy, mechanical engineering, environmental protection and biomedicine
Efficient use of resources in energy converting applications Size-, shape- and structure- dependent properties of nanoparticles and nanocomposites
Fabrication and characterization of nano-photonic functional structrues in biomedicine and informatics Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion
Ministry of Education, Science and Technological Development of the Republic of Serbia Serbian Academy of Sciences and Arts ("Electrocatalysis in the contemporary processes of energy conversion")
Swedish Research Council (2014-5993) Bilateral project Germany-Serbia, funded by DAAD [Theoretical and experimental development of novel sensor based on graphene composites for the detection of organophosphate pesticides (SeGraPhos)]
Carl Tryggers Foundation for Scientific Research Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) under IF Programme [SFRH/BPD/77768/2011, SFRH/BPD/97453/2013, IF/01084/2014/CP1214/CT0003]
Strengthening of the MagBioVin Research and Innovation Team for Development of Novel Approaches for Tumour Therapy based on Nanostructured Materials Development and Application of Methods and Materials for Monitoring New Organic Contaminants, Toxic Compounds and Heavy Metals
Dynamics of nonlinear physicochemical and biochemical systems with modeling and predicting of their behavior under nonequilibrium conditions Oxide-based environmentally-friendly porous materials for genotoxic substances removal
Radiosensitivity of human genome Studying climate change and its influence on environment: impacts, adaptation and mitigation
Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes Multidisciplinarno istraživanje faktora rizika za nastanak tromboza u antifosfolipidnom sindromu
Innovation Fund of the Republic of Serbia [CGS50083] Ministry of Science and Technological Development of Republic Serbia [142047]
Ministry of Science of the Republic of Serbia [142065, 142047] NATO [EAP.SFPP 984925]

Author's Bibliography

Composition, structure and potential energy application of nitrogen doped carbon cryogels

Kalijadis, Ana; Gavrilov, Nemanja M.; Jokić, Bojan M.; Gilić, Martina; Krstić, Aleksandar D.; Pašti, Igor A.; Babić, Biljana M.

(2020)

TY  - JOUR
AU  - Kalijadis, Ana
AU  - Gavrilov, Nemanja M.
AU  - Jokić, Bojan M.
AU  - Gilić, Martina
AU  - Krstić, Aleksandar D.
AU  - Pašti, Igor A.
AU  - Babić, Biljana M.
PY  - 2020
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8495
AB  - Resorcinol–formaldehyde (RF) cryogels were synthesized by sol–gel polycondensation of resorcinol with formaldehyde and freeze-drying was carried out with t-butanol. Carbon cryogel (CC) was obtained by pyrolyzing RF cryogels in an inert atmosphere to 950 °C. Nitrogen doped CCs (CCN) were synthesized by introducing melamine into RF precursor mixture solution to obtain nitrogen concentration 2, 6 and 10 wt.%. Material was characterized by elemental analysis, nitrogen adsorption– desorption measurements, scanning electron microscopy (SEM), Raman spectroscopy, FT-IR Spectroscopy. Cyclic voltammetry (CV) was used to investigate capacitive and electrocatalytic properties. Conductivity measurement was also performed. Elemental analysis results confirmed presence of nitrogen in CCN samples in the range from 0.45 to 1.15 wt.%. Raman spectroscopy of the samples showed increase of D and G peak integrated intensity ratio (ID/IG) with nitrogen doping suggesting that the structural disorder as well as edge plane density increase, but according to similar ID/IG values for CCN samples, their share is not directly related to the amount of incorporated N. Characterization by nitrogen adsorption showed that overall specific surface and maximum mesopores are achieved in CCN sample with medium nitrogen concentration. Results of cyclic voltammetry experiments demonstrated maximum capacitance for CCN sample with smallest N wt.% indicating that narrow pore size distribution and high specific surface area are dominant factors to achieve good capacitive behavior. The relatively low doping level of nitrogen reached in CCN samples may be the reason for the incomplete reduction of oxygen to hydroxide and furthermore it turned out that presence of N in the structure of CC had a negligible effect on the otherwise relatively high conductivity of CC. © 2019 Elsevier B.V.
T2  - Materials Chemistry and Physics
T1  - Composition, structure and potential energy application of nitrogen doped carbon cryogels
VL  - 239
SP  - 122120
DO  - 10.1016/j.matchemphys.2019.122120
ER  - 
@article{
author = "Kalijadis, Ana and Gavrilov, Nemanja M. and Jokić, Bojan M. and Gilić, Martina and Krstić, Aleksandar D. and Pašti, Igor A. and Babić, Biljana M.",
year = "2020",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8495",
abstract = "Resorcinol–formaldehyde (RF) cryogels were synthesized by sol–gel polycondensation of resorcinol with formaldehyde and freeze-drying was carried out with t-butanol. Carbon cryogel (CC) was obtained by pyrolyzing RF cryogels in an inert atmosphere to 950 °C. Nitrogen doped CCs (CCN) were synthesized by introducing melamine into RF precursor mixture solution to obtain nitrogen concentration 2, 6 and 10 wt.%. Material was characterized by elemental analysis, nitrogen adsorption– desorption measurements, scanning electron microscopy (SEM), Raman spectroscopy, FT-IR Spectroscopy. Cyclic voltammetry (CV) was used to investigate capacitive and electrocatalytic properties. Conductivity measurement was also performed. Elemental analysis results confirmed presence of nitrogen in CCN samples in the range from 0.45 to 1.15 wt.%. Raman spectroscopy of the samples showed increase of D and G peak integrated intensity ratio (ID/IG) with nitrogen doping suggesting that the structural disorder as well as edge plane density increase, but according to similar ID/IG values for CCN samples, their share is not directly related to the amount of incorporated N. Characterization by nitrogen adsorption showed that overall specific surface and maximum mesopores are achieved in CCN sample with medium nitrogen concentration. Results of cyclic voltammetry experiments demonstrated maximum capacitance for CCN sample with smallest N wt.% indicating that narrow pore size distribution and high specific surface area are dominant factors to achieve good capacitive behavior. The relatively low doping level of nitrogen reached in CCN samples may be the reason for the incomplete reduction of oxygen to hydroxide and furthermore it turned out that presence of N in the structure of CC had a negligible effect on the otherwise relatively high conductivity of CC. © 2019 Elsevier B.V.",
journal = "Materials Chemistry and Physics",
title = "Composition, structure and potential energy application of nitrogen doped carbon cryogels",
volume = "239",
pages = "122120",
doi = "10.1016/j.matchemphys.2019.122120"
}
Kalijadis, A., Gavrilov, N. M., Jokić, B. M., Gilić, M., Krstić, A. D., Pašti, I. A.,& Babić, B. M. (2020). Composition, structure and potential energy application of nitrogen doped carbon cryogels.
Materials Chemistry and Physics, 239, 122120.
https://doi.org/10.1016/j.matchemphys.2019.122120
Kalijadis A, Gavrilov NM, Jokić BM, Gilić M, Krstić AD, Pašti IA, Babić BM. Composition, structure and potential energy application of nitrogen doped carbon cryogels. Materials Chemistry and Physics. 2020;239:122120
Kalijadis Ana, Gavrilov Nemanja M., Jokić Bojan M., Gilić Martina, Krstić Aleksandar D., Pašti Igor A., Babić Biljana M., "Composition, structure and potential energy application of nitrogen doped carbon cryogels" Materials Chemistry and Physics, 239 (2020):122120,
https://doi.org/10.1016/j.matchemphys.2019.122120 .
1
1
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Non-stoichiometric tungsten-carbide-oxide-supported Pt–Ru anode catalysts for PEM fuel cells – From basic electrochemistry to fuel cell performance

Brković, Snežana M.; Marčeta Kaninski, Milica; Laušević, Petar; Šaponjić, Aleksandra; Radulović, Aleksandra; Rakić, Aleksandra A.; Pašti, Igor A.; Nikolić, Vladimir М.

(2020)

TY  - JOUR
AU  - Brković, Snežana M.
AU  - Marčeta Kaninski, Milica
AU  - Laušević, Petar
AU  - Šaponjić, Aleksandra
AU  - Radulović, Aleksandra
AU  - Rakić, Aleksandra A.
AU  - Pašti, Igor A.
AU  - Nikolić, Vladimir М.
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8927
AB  - Durability and cost of Proton Exchange Membrane fuel cells (PEMFCs) are two major factors delaying their commercialization. Cost is associated with the price of the catalysts, while durability is associated with degradation and poisoning of the catalysts, primarily by CO. This motivated us to develop tungsten-carbide-oxide (WxCyOz) as a new non-carbon based catalyst support for Pt–Ru–based anode PEMFC catalyst. The aim was to improve performance and obtain higher CO tolerance compared to commercial catalysts. The performance of obtained PtRu/WxCyOz catalysts was investigated using cyclic voltammetry, linear scan voltammetry and rotating disk electrode voltammetry. Particular attention was given to the analysis of CO poisoning, to better understand how WxCyOz species can contribute to the CO tolerance of PtRu/WxCyOz. Improved oxidation of COads at low potentials (E < 0.5 V vs. RHE) was ascribed to OH provided by the oxide phase at the interfacial region between the support and the PtRu particles. On the other hand, at high potentials (E > 0.5 V vs. RHE) CO removal proceeds dominantly via OH provided from the oxidized metal sites. The obtained catalyst with the best performance (30% PtRu/WxCyOz) was tested as an anode catalyst in PEM fuel cell. When using synthetic reformate as a fuel in PEMFC, there is a significant power drop of 35.3 % for the commercial 30% PtRu/C catalyst, while for the PtRu/WxCyOz anode catalyst this drop is around 16 %.
T2  - International Journal of Hydrogen Energy
T1  - Non-stoichiometric tungsten-carbide-oxide-supported Pt–Ru anode catalysts for PEM fuel cells – From basic electrochemistry to fuel cell performance
VL  - 45
IS  - 27
SP  - 13929
EP  - 13938
DO  - 10.1016/j.ijhydene.2020.03.086
ER  - 
@article{
author = "Brković, Snežana M. and Marčeta Kaninski, Milica and Laušević, Petar and Šaponjić, Aleksandra and Radulović, Aleksandra and Rakić, Aleksandra A. and Pašti, Igor A. and Nikolić, Vladimir М.",
year = "2020",
url = "https://vinar.vin.bg.ac.rs/handle/123456789/8927",
abstract = "Durability and cost of Proton Exchange Membrane fuel cells (PEMFCs) are two major factors delaying their commercialization. Cost is associated with the price of the catalysts, while durability is associated with degradation and poisoning of the catalysts, primarily by CO. This motivated us to develop tungsten-carbide-oxide (WxCyOz) as a new non-carbon based catalyst support for Pt–Ru–based anode PEMFC catalyst. The aim was to improve performance and obtain higher CO tolerance compared to commercial catalysts. The performance of obtained PtRu/WxCyOz catalysts was investigated using cyclic voltammetry, linear scan voltammetry and rotating disk electrode voltammetry. Particular attention was given to the analysis of CO poisoning, to better understand how WxCyOz species can contribute to the CO tolerance of PtRu/WxCyOz. Improved oxidation of COads at low potentials (E < 0.5 V vs. RHE) was ascribed to OH provided by the oxide phase at the interfacial region between the support and the PtRu particles. On the other hand, at high potentials (E > 0.5 V vs. RHE) CO removal proceeds dominantly via OH provided from the oxidized metal sites. The obtained catalyst with the best performance (30% PtRu/WxCyOz) was tested as an anode catalyst in PEM fuel cell. When using synthetic reformate as a fuel in PEMFC, there is a significant power drop of 35.3 % for the commercial 30% PtRu/C catalyst, while for the PtRu/WxCyOz anode catalyst this drop is around 16 %.",
journal = "International Journal of Hydrogen Energy",
title = "Non-stoichiometric tungsten-carbide-oxide-supported Pt–Ru anode catalysts for PEM fuel cells – From basic electrochemistry to fuel cell performance",
volume = "45",
number = "27",
pages = "13929-13938",
doi = "10.1016/j.ijhydene.2020.03.086"
}
Brković, S. M., Marčeta Kaninski, M., Laušević, P., Šaponjić, A., Radulović, A., Rakić, A. A., Pašti, I. A.,& Nikolić, V. М. (2020). Non-stoichiometric tungsten-carbide-oxide-supported Pt–Ru anode catalysts for PEM fuel cells – From basic electrochemistry to fuel cell performance.
International Journal of Hydrogen Energy, 45(27), 13929-13938.
https://doi.org/10.1016/j.ijhydene.2020.03.086
Brković SM, Marčeta Kaninski M, Laušević P, Šaponjić A, Radulović A, Rakić AA, Pašti IA, Nikolić VМ. Non-stoichiometric tungsten-carbide-oxide-supported Pt–Ru anode catalysts for PEM fuel cells – From basic electrochemistry to fuel cell performance. International Journal of Hydrogen Energy. 2020;45(27):13929-13938
Brković Snežana M., Marčeta Kaninski Milica, Laušević Petar, Šaponjić Aleksandra, Radulović Aleksandra, Rakić Aleksandra A., Pašti Igor A., Nikolić Vladimir М., "Non-stoichiometric tungsten-carbide-oxide-supported Pt–Ru anode catalysts for PEM fuel cells – From basic electrochemistry to fuel cell performance" International Journal of Hydrogen Energy, 45, no. 27 (2020):13929-13938,
https://doi.org/10.1016/j.ijhydene.2020.03.086 .
2
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Developing an advanced electrocatalyst derived from triangular silver nanoplates@polyvinylpyrrolidone-polyaniline nanocomposites

Stamenović, Una; Vodnik, Vesna; Gavrilov, Nemanja M.; Pašti, Igor A.; Otončar, Mojca; Mitrić, Miodrag; Škapin, Srečo Davor

(2019)

TY  - JOUR
AU  - Stamenović, Una
AU  - Vodnik, Vesna
AU  - Gavrilov, Nemanja M.
AU  - Pašti, Igor A.
AU  - Otončar, Mojca
AU  - Mitrić, Miodrag
AU  - Škapin, Srečo Davor
PY  - 2019
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8512
AB  - There is a need for developing new and perspective materials for oxygen reduction reaction (ORR) as one of the most essential reactions in the life processes, energy storage, and conversion, in order to exchange the most often used materials based on platinum supported/unsupported substrates, especially carbon supports. Herein, we present low-cost alternative electrode materials consisting of two silver@polyvinylpyrrolidone-polyaniline (Ag@PVP-PANI) nanocomposites that showed great potential as Pt-free ORR electrocatalysts. Simple and effective polymerization processes of aniline in the methanol, using PVP as shape-mediated stabilizator and stimulator of its oxidation by silver ions, led to the formation of nanocomposites with truncated triangular silver nanoparticles dispersed throughout granular and wrinkle-like surfaces of PANI matrix. The behavior of PVP chains in acidic conditions showed great influence on nanocomposites’ conductivities, regardless of the high silver content. Electrocatalytic survey of nanocomposites examined in alkaline media toward ORR pointed out their appreciable activities with high ORR onset potentials. Moreover, for the nanocomposite with lower silver content (18.9 wt. %), the four-electron ORR pathway was evidenced. © 2019 Elsevier B.V.
T2  - Synthetic Metals
T1  - Developing an advanced electrocatalyst derived from triangular silver nanoplates@polyvinylpyrrolidone-polyaniline nanocomposites
VL  - 257
SP  - 116173
DO  - 10.1016/j.synthmet.2019.116173
ER  - 
@article{
author = "Stamenović, Una and Vodnik, Vesna and Gavrilov, Nemanja M. and Pašti, Igor A. and Otončar, Mojca and Mitrić, Miodrag and Škapin, Srečo Davor",
year = "2019",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8512",
abstract = "There is a need for developing new and perspective materials for oxygen reduction reaction (ORR) as one of the most essential reactions in the life processes, energy storage, and conversion, in order to exchange the most often used materials based on platinum supported/unsupported substrates, especially carbon supports. Herein, we present low-cost alternative electrode materials consisting of two silver@polyvinylpyrrolidone-polyaniline (Ag@PVP-PANI) nanocomposites that showed great potential as Pt-free ORR electrocatalysts. Simple and effective polymerization processes of aniline in the methanol, using PVP as shape-mediated stabilizator and stimulator of its oxidation by silver ions, led to the formation of nanocomposites with truncated triangular silver nanoparticles dispersed throughout granular and wrinkle-like surfaces of PANI matrix. The behavior of PVP chains in acidic conditions showed great influence on nanocomposites’ conductivities, regardless of the high silver content. Electrocatalytic survey of nanocomposites examined in alkaline media toward ORR pointed out their appreciable activities with high ORR onset potentials. Moreover, for the nanocomposite with lower silver content (18.9 wt. %), the four-electron ORR pathway was evidenced. © 2019 Elsevier B.V.",
journal = "Synthetic Metals",
title = "Developing an advanced electrocatalyst derived from triangular silver nanoplates@polyvinylpyrrolidone-polyaniline nanocomposites",
volume = "257",
pages = "116173",
doi = "10.1016/j.synthmet.2019.116173"
}
Stamenović, U., Vodnik, V., Gavrilov, N. M., Pašti, I. A., Otončar, M., Mitrić, M.,& Škapin, S. D. (2019). Developing an advanced electrocatalyst derived from triangular silver nanoplates@polyvinylpyrrolidone-polyaniline nanocomposites.
Synthetic Metals, 257, 116173.
https://doi.org/10.1016/j.synthmet.2019.116173
Stamenović U, Vodnik V, Gavrilov NM, Pašti IA, Otončar M, Mitrić M, Škapin SD. Developing an advanced electrocatalyst derived from triangular silver nanoplates@polyvinylpyrrolidone-polyaniline nanocomposites. Synthetic Metals. 2019;257:116173
Stamenović Una, Vodnik Vesna, Gavrilov Nemanja M., Pašti Igor A., Otončar Mojca, Mitrić Miodrag, Škapin Srečo Davor, "Developing an advanced electrocatalyst derived from triangular silver nanoplates@polyvinylpyrrolidone-polyaniline nanocomposites" Synthetic Metals, 257 (2019):116173,
https://doi.org/10.1016/j.synthmet.2019.116173 .
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Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance

Brković, Snežana M.; Nikolić, Vladimir M.; Marčeta Kaninski, Milica; Pašti, Igor A.

(2019)

TY  - JOUR
AU  - Brković, Snežana M.
AU  - Nikolić, Vladimir M.
AU  - Marčeta Kaninski, Milica
AU  - Pašti, Igor A.
PY  - 2019
UR  - https://linkinghub.elsevier.com/retrieve/pii/S0360319919313576
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8150
AB  - Hydrogen Oxidation Reaction (HOR) is anode reaction in Proton exchange membrane fuel cells (PEMFCs) and it has very fast kinetics. However, the purity of fuel (H 2 ) is very important and can slow down HOR kinetics, affecting the overall PEMFC performance. The performance of commercial Pt/C catalyst impregnated with WO x, as a catalyst for HOR, was investigated using a set of electrochemical methods (cyclic voltammetry, linear scan voltammetry and rotating disk electrode voltammetry). In order to deepen the understanding how WO x species can contribute CO tolerance of Pt/C, a particular attention was paid to CO poisoning. In the absence of CO, HOR is under diffusion limitations and HOR kinetics is not affected by WO x species. Appreciable HOR current on the electrodes pre-saturated with CO ads at potentials above 0.3 V vs. RHE, which is not observed for pure Pt/C, was discussed in details. HOR liming diffusion currents for higher concentrations of W are reached at high anodic potentials. The obtained results were explained by donation of OH ads by WO x phase for CO ads removal in the mid potential region and reduced reactivity of Pt surface sites in the vicinity of the Pt|WO x interface. The obtained results can provide guidelines for development of novel CO tolerant PEMFC anode catalysts. © 2019 Hydrogen Energy Publications LLC
T2  - International Journal of Hydrogen Energy
T1  - Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance
VL  - 44
IS  - 26
SP  - 13364
EP  - 13372
DO  - 10.1016/j.ijhydene.2019.03.270
ER  - 
@article{
author = "Brković, Snežana M. and Nikolić, Vladimir M. and Marčeta Kaninski, Milica and Pašti, Igor A.",
year = "2019",
url = "https://linkinghub.elsevier.com/retrieve/pii/S0360319919313576, http://vinar.vin.bg.ac.rs/handle/123456789/8150",
abstract = "Hydrogen Oxidation Reaction (HOR) is anode reaction in Proton exchange membrane fuel cells (PEMFCs) and it has very fast kinetics. However, the purity of fuel (H 2 ) is very important and can slow down HOR kinetics, affecting the overall PEMFC performance. The performance of commercial Pt/C catalyst impregnated with WO x, as a catalyst for HOR, was investigated using a set of electrochemical methods (cyclic voltammetry, linear scan voltammetry and rotating disk electrode voltammetry). In order to deepen the understanding how WO x species can contribute CO tolerance of Pt/C, a particular attention was paid to CO poisoning. In the absence of CO, HOR is under diffusion limitations and HOR kinetics is not affected by WO x species. Appreciable HOR current on the electrodes pre-saturated with CO ads at potentials above 0.3 V vs. RHE, which is not observed for pure Pt/C, was discussed in details. HOR liming diffusion currents for higher concentrations of W are reached at high anodic potentials. The obtained results were explained by donation of OH ads by WO x phase for CO ads removal in the mid potential region and reduced reactivity of Pt surface sites in the vicinity of the Pt|WO x interface. The obtained results can provide guidelines for development of novel CO tolerant PEMFC anode catalysts. © 2019 Hydrogen Energy Publications LLC",
journal = "International Journal of Hydrogen Energy",
title = "Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance",
volume = "44",
number = "26",
pages = "13364-13372",
doi = "10.1016/j.ijhydene.2019.03.270"
}
Brković, S. M., Nikolić, V. M., Marčeta Kaninski, M.,& Pašti, I. A. (2019). Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance.
International Journal of Hydrogen Energy, 44(26), 13364-13372.
https://doi.org/10.1016/j.ijhydene.2019.03.270
Brković SM, Nikolić VM, Marčeta Kaninski M, Pašti IA. Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance. International Journal of Hydrogen Energy. 2019;44(26):13364-13372
Brković Snežana M., Nikolić Vladimir M., Marčeta Kaninski Milica, Pašti Igor A., "Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance" International Journal of Hydrogen Energy, 44, no. 26 (2019):13364-13372,
https://doi.org/10.1016/j.ijhydene.2019.03.270 .
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Non-thermal plasma needle as an effective tool in dimethoate removal from water

Mitrović, Tatjana; Lazović, Saša; Nastasijević, Branislav J.; Pašti, Igor A.; Vasić, Vesna M.; Lazarević-Pašti, Tamara

(2019)

TY  - JOUR
AU  - Mitrović, Tatjana
AU  - Lazović, Saša
AU  - Nastasijević, Branislav J.
AU  - Pašti, Igor A.
AU  - Vasić, Vesna M.
AU  - Lazarević-Pašti, Tamara
PY  - 2019
UR  - https://linkinghub.elsevier.com/retrieve/pii/S0301479719307716
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8337
AB  - Intensive use of pesticides requires innovative approaches for their removal from the environment. Here we report the method for degradation of dimethoate in water using non-thermal plasma needle and analyze kinetics of dimethoate removal and possible degradation pathways. The effects of dimethoate initial concentration, plasma treatment time, Argon flow rate and the presence of radical promoters on the effectiveness of proposed method are evaluated. With argon flow rate of 0.5 slm (standard litres per minute) 1 × 10−4 M dimethoate can be removed within 30 min of treatment. Using UPLC analysis it was confirmed that one of the decomposition products is dimethoate oxo-analogue omethoate, which is in fact more toxic than dimethoate. However, the overall toxicity of contaminated water was reduced upon the treatment. The addition of H2O2 as a free radical promoter enhances dimethoate removal, while K2S2O8 results with selective conversion to omethoate. Using mass spectrometry in combination with the theoretical calculations, possible degradation pathways were proposed. The feasibility of the proposed method for dimethoate degradation in real water samples is confirmed. The proposed method is demonstrated as a highly effective approach for dimethoate removal without significant accumulation of undesirable toxic products and secondary waste. © 2019 Elsevier Ltd
T2  - Journal of Environmental Management
T1  - Non-thermal plasma needle as an effective tool in dimethoate removal from water
VL  - 246
SP  - 63
EP  - 70
DO  - 10.1016/j.jenvman.2019.05.143
ER  - 
@article{
author = "Mitrović, Tatjana and Lazović, Saša and Nastasijević, Branislav J. and Pašti, Igor A. and Vasić, Vesna M. and Lazarević-Pašti, Tamara",
year = "2019",
url = "https://linkinghub.elsevier.com/retrieve/pii/S0301479719307716, http://vinar.vin.bg.ac.rs/handle/123456789/8337",
abstract = "Intensive use of pesticides requires innovative approaches for their removal from the environment. Here we report the method for degradation of dimethoate in water using non-thermal plasma needle and analyze kinetics of dimethoate removal and possible degradation pathways. The effects of dimethoate initial concentration, plasma treatment time, Argon flow rate and the presence of radical promoters on the effectiveness of proposed method are evaluated. With argon flow rate of 0.5 slm (standard litres per minute) 1 × 10−4 M dimethoate can be removed within 30 min of treatment. Using UPLC analysis it was confirmed that one of the decomposition products is dimethoate oxo-analogue omethoate, which is in fact more toxic than dimethoate. However, the overall toxicity of contaminated water was reduced upon the treatment. The addition of H2O2 as a free radical promoter enhances dimethoate removal, while K2S2O8 results with selective conversion to omethoate. Using mass spectrometry in combination with the theoretical calculations, possible degradation pathways were proposed. The feasibility of the proposed method for dimethoate degradation in real water samples is confirmed. The proposed method is demonstrated as a highly effective approach for dimethoate removal without significant accumulation of undesirable toxic products and secondary waste. © 2019 Elsevier Ltd",
journal = "Journal of Environmental Management",
title = "Non-thermal plasma needle as an effective tool in dimethoate removal from water",
volume = "246",
pages = "63-70",
doi = "10.1016/j.jenvman.2019.05.143"
}
Mitrović, T., Lazović, S., Nastasijević, B. J., Pašti, I. A., Vasić, V. M.,& Lazarević-Pašti, T. (2019). Non-thermal plasma needle as an effective tool in dimethoate removal from water.
Journal of Environmental Management, 246, 63-70.
https://doi.org/10.1016/j.jenvman.2019.05.143
Mitrović T, Lazović S, Nastasijević BJ, Pašti IA, Vasić VM, Lazarević-Pašti T. Non-thermal plasma needle as an effective tool in dimethoate removal from water. Journal of Environmental Management. 2019;246:63-70
Mitrović Tatjana, Lazović Saša, Nastasijević Branislav J., Pašti Igor A., Vasić Vesna M., Lazarević-Pašti Tamara, "Non-thermal plasma needle as an effective tool in dimethoate removal from water" Journal of Environmental Management, 246 (2019):63-70,
https://doi.org/10.1016/j.jenvman.2019.05.143 .
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Detection of Dimethoate Pesticide using Layer by Layer Deposition of PDAC/GO on Ag electrode

Ega, Tharun K; Al-Hamry, Ammar; Kanoun, Olfa; Lazarević-Pašti, Tamara; Bogdanović, Danica B.; Pašti, Igor A.; Rodriguez, Raul D.; Sheremet, Evgeniya; Paterno, Leonardo G.

(IEEE, 2019)

TY  - CONF
AU  - Ega, Tharun K
AU  - Al-Hamry, Ammar
AU  - Kanoun, Olfa
AU  - Lazarević-Pašti, Tamara
AU  - Bogdanović, Danica B.
AU  - Pašti, Igor A.
AU  - Rodriguez, Raul D.
AU  - Sheremet, Evgeniya
AU  - Paterno, Leonardo G.
PY  - 2019
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/8665
AB  - Dimethoate (DMT) is an organophosphate pesticide (OP), which is widely used against insects and mites and their control in agriculture. As other OPs, DMT is also an inhibitor of acetylcholinesterase, which is responsible for the disabling of cholinesterase required for the functioning of the central nervous system. This pesticide can invade living cells of the human body through contact or ingestion. We report an electrochemical sensor based on a layer by layer deposition of PDAC/GO on silver electrodes. The sensor fabrication, physical characterization i.e. Raman spectroscopy and scanning electron microscopy of PDAC/GO based films, and its electrochemical characterization are discussed. The detection of DMT by analyzing electrochemical measurements including cyclic voltammetry and impedance spectroscopy shows that functionalization using layer by layer deposition improves electrochemical response and presents a basis for detection of DMT. The highest response is observed in the case of only one PDAC/GO layer which is attributed to the properly balanced interaction between DMT and PDAC/GO layer, and the increase of electrical resistivity of the PDAC/GO layer with its thickness. © 2019 IEEE.
PB  - IEEE
C3  - 2019 16th International Multi-Conference on Systems, Signals & Devices (SSD)
C3  - 2019 16th International Multi-Conference on Systems, Signals & Devices (SSD)
T1  - Detection of Dimethoate Pesticide using Layer by Layer Deposition of PDAC/GO on Ag electrode
SP  - 621
EP  - 625
DO  - 10.1109/SSD.2019.8893253
ER  - 
@conference{
author = "Ega, Tharun K and Al-Hamry, Ammar and Kanoun, Olfa and Lazarević-Pašti, Tamara and Bogdanović, Danica B. and Pašti, Igor A. and Rodriguez, Raul D. and Sheremet, Evgeniya and Paterno, Leonardo G.",
year = "2019",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/8665",
abstract = "Dimethoate (DMT) is an organophosphate pesticide (OP), which is widely used against insects and mites and their control in agriculture. As other OPs, DMT is also an inhibitor of acetylcholinesterase, which is responsible for the disabling of cholinesterase required for the functioning of the central nervous system. This pesticide can invade living cells of the human body through contact or ingestion. We report an electrochemical sensor based on a layer by layer deposition of PDAC/GO on silver electrodes. The sensor fabrication, physical characterization i.e. Raman spectroscopy and scanning electron microscopy of PDAC/GO based films, and its electrochemical characterization are discussed. The detection of DMT by analyzing electrochemical measurements including cyclic voltammetry and impedance spectroscopy shows that functionalization using layer by layer deposition improves electrochemical response and presents a basis for detection of DMT. The highest response is observed in the case of only one PDAC/GO layer which is attributed to the properly balanced interaction between DMT and PDAC/GO layer, and the increase of electrical resistivity of the PDAC/GO layer with its thickness. © 2019 IEEE.",
publisher = "IEEE",
journal = "2019 16th International Multi-Conference on Systems, Signals & Devices (SSD), 2019 16th International Multi-Conference on Systems, Signals & Devices (SSD)",
title = "Detection of Dimethoate Pesticide using Layer by Layer Deposition of PDAC/GO on Ag electrode",
pages = "621-625",
doi = "10.1109/SSD.2019.8893253"
}
Ega, T. K., Al-Hamry, A., Kanoun, O., Lazarević-Pašti, T., Bogdanović, D. B., Pašti, I. A., Rodriguez, R. D., Sheremet, E.,& Paterno, L. G. (2019). Detection of Dimethoate Pesticide using Layer by Layer Deposition of PDAC/GO on Ag electrode.
2019 16th International Multi-Conference on Systems, Signals & Devices (SSD)
IEEE., 621-625.
https://doi.org/10.1109/SSD.2019.8893253
Ega TK, Al-Hamry A, Kanoun O, Lazarević-Pašti T, Bogdanović DB, Pašti IA, Rodriguez RD, Sheremet E, Paterno LG. Detection of Dimethoate Pesticide using Layer by Layer Deposition of PDAC/GO on Ag electrode. 2019 16th International Multi-Conference on Systems, Signals & Devices (SSD). 2019;:621-625
Ega Tharun K, Al-Hamry Ammar, Kanoun Olfa, Lazarević-Pašti Tamara, Bogdanović Danica B., Pašti Igor A., Rodriguez Raul D., Sheremet Evgeniya, Paterno Leonardo G., "Detection of Dimethoate Pesticide using Layer by Layer Deposition of PDAC/GO on Ag electrode" 2019 16th International Multi-Conference on Systems, Signals & Devices (SSD) (2019):621-625,
https://doi.org/10.1109/SSD.2019.8893253 .
3
2

One-pot synthesis of novel silver-polyaniline-polyvinylpyrrolidone electrocatalysts for efficient oxygen reduction reaction

Stamenović, Una; Gavrilov, Nemanja M.; Pašti, Igor A.; Otoničar, Mojca; Ćirić-Marjanović, Gordana N.; Škapin, Srečo Davor; Mitrić, Miodrag; Vodnik, Vesna

(2018)

TY  - JOUR
AU  - Stamenović, Una
AU  - Gavrilov, Nemanja M.
AU  - Pašti, Igor A.
AU  - Otoničar, Mojca
AU  - Ćirić-Marjanović, Gordana N.
AU  - Škapin, Srečo Davor
AU  - Mitrić, Miodrag
AU  - Vodnik, Vesna
PY  - 2018
UR  - https://linkinghub.elsevier.com/retrieve/pii/S0013468618312799
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7717
AB  - A facile and fast aqueous phase-based strategy to synthesize silver-polyaniline-polyvinylpyrrolidone (Ag-PANI-PVP) nanocomposites, via chemical oxidative polymerization method is presented. In the presence of polyvinylpyrrolidone (PVP), which has an accelerating effect on the oxidation of aniline with silver nitrate, Ag nanoparticles (AgNPs) were in situ generated in aqueous solution during simultaneous formation of polyaniline (PANI), without any additional reducing agent or complicated treatment. We have demonstrated synthesis of three stabile Ag-PANI-PVP nanocomposites with different content, size, and morphology of Ag nanoparticles by varying the experimental parameters, such as pH and PVP concentration. As a result, this led to different Ag nanostructures (spherical and polyhedral NPs), and, consequently, different morphology of formed nanocomposites (granular and nanosheets). The physicochemical properties of nanocomposites were examined by using different analytical techniques (UV–Vis, TEM, FESEM, FT-IR, XRD, and Raman). It is found that optical properties, electrical conductivity and the content of Ag in the composites vary depending on the synthetic conditions. The electrocatalytic behavior of Ag-PANI-PVP nanocomposites was examined towards the oxygen reduction reaction in acidic and alkaline media. All tested nanocomposites showed high electrocatalytic activity, while the most active catalyst is the one with the highest electrical conductivity (≈0.6 S cm−1) and the lowest Ag content (3.4 wt%), synthesized in the solution without added acid. The simplicity of synthesis and good electrocatalytic efficiency of prepared nanocomposites combined with large-scale availability make them attractive as Pt-free electrocatalysts.
T2  - Electrochimica Acta
T1  - One-pot synthesis of novel silver-polyaniline-polyvinylpyrrolidone electrocatalysts for efficient oxygen reduction reaction
VL  - 281
SP  - 549
EP  - 561
DO  - 10.1016/j.electacta.2018.05.202
ER  - 
@article{
author = "Stamenović, Una and Gavrilov, Nemanja M. and Pašti, Igor A. and Otoničar, Mojca and Ćirić-Marjanović, Gordana N. and Škapin, Srečo Davor and Mitrić, Miodrag and Vodnik, Vesna",
year = "2018",
url = "https://linkinghub.elsevier.com/retrieve/pii/S0013468618312799, http://vinar.vin.bg.ac.rs/handle/123456789/7717",
abstract = "A facile and fast aqueous phase-based strategy to synthesize silver-polyaniline-polyvinylpyrrolidone (Ag-PANI-PVP) nanocomposites, via chemical oxidative polymerization method is presented. In the presence of polyvinylpyrrolidone (PVP), which has an accelerating effect on the oxidation of aniline with silver nitrate, Ag nanoparticles (AgNPs) were in situ generated in aqueous solution during simultaneous formation of polyaniline (PANI), without any additional reducing agent or complicated treatment. We have demonstrated synthesis of three stabile Ag-PANI-PVP nanocomposites with different content, size, and morphology of Ag nanoparticles by varying the experimental parameters, such as pH and PVP concentration. As a result, this led to different Ag nanostructures (spherical and polyhedral NPs), and, consequently, different morphology of formed nanocomposites (granular and nanosheets). The physicochemical properties of nanocomposites were examined by using different analytical techniques (UV–Vis, TEM, FESEM, FT-IR, XRD, and Raman). It is found that optical properties, electrical conductivity and the content of Ag in the composites vary depending on the synthetic conditions. The electrocatalytic behavior of Ag-PANI-PVP nanocomposites was examined towards the oxygen reduction reaction in acidic and alkaline media. All tested nanocomposites showed high electrocatalytic activity, while the most active catalyst is the one with the highest electrical conductivity (≈0.6 S cm−1) and the lowest Ag content (3.4 wt%), synthesized in the solution without added acid. The simplicity of synthesis and good electrocatalytic efficiency of prepared nanocomposites combined with large-scale availability make them attractive as Pt-free electrocatalysts.",
journal = "Electrochimica Acta",
title = "One-pot synthesis of novel silver-polyaniline-polyvinylpyrrolidone electrocatalysts for efficient oxygen reduction reaction",
volume = "281",
pages = "549-561",
doi = "10.1016/j.electacta.2018.05.202"
}
Stamenović, U., Gavrilov, N. M., Pašti, I. A., Otoničar, M., Ćirić-Marjanović, G. N., Škapin, S. D., Mitrić, M.,& Vodnik, V. (2018). One-pot synthesis of novel silver-polyaniline-polyvinylpyrrolidone electrocatalysts for efficient oxygen reduction reaction.
Electrochimica Acta, 281, 549-561.
https://doi.org/10.1016/j.electacta.2018.05.202
Stamenović U, Gavrilov NM, Pašti IA, Otoničar M, Ćirić-Marjanović GN, Škapin SD, Mitrić M, Vodnik V. One-pot synthesis of novel silver-polyaniline-polyvinylpyrrolidone electrocatalysts for efficient oxygen reduction reaction. Electrochimica Acta. 2018;281:549-561
Stamenović Una, Gavrilov Nemanja M., Pašti Igor A., Otoničar Mojca, Ćirić-Marjanović Gordana N., Škapin Srečo Davor, Mitrić Miodrag, Vodnik Vesna, "One-pot synthesis of novel silver-polyaniline-polyvinylpyrrolidone electrocatalysts for efficient oxygen reduction reaction" Electrochimica Acta, 281 (2018):549-561,
https://doi.org/10.1016/j.electacta.2018.05.202 .
10
8
9

A study of ordered mesoporous carbon doped with Co and Ni as a catalyst of oxygen reduction reaction in both alkaline and acidic media

Gavrilov, Nemanja M.; Momčilović, Milan Z.; Dobrota, Ana S.; Stanković, Dalibor M.; Jokić, Bojan M.; Babić, Biljana M.; Skorodumova, Natalia V.; Mentus, Slavko V.; Pašti, Igor A.

(2018)

TY  - JOUR
AU  - Gavrilov, Nemanja M.
AU  - Momčilović, Milan Z.
AU  - Dobrota, Ana S.
AU  - Stanković, Dalibor M.
AU  - Jokić, Bojan M.
AU  - Babić, Biljana M.
AU  - Skorodumova, Natalia V.
AU  - Mentus, Slavko V.
AU  - Pašti, Igor A.
PY  - 2018
UR  - https://linkinghub.elsevier.com/retrieve/pii/S0257897218305838
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7727
AB  - The incorporation of trace amounts (<0.2%) of Co and Ni noticeably enhanced the catalytic activity of nitrogen-free ordered mesoporous carbon (OMC) towards oxygen reduction reaction (ORR). (Co,Ni)-doped OMCs were characterized by N2-adsorption measurements, X-ray powder diffraction, field emission scanning electron microscopy and Raman spectroscopy methods, and their ORR activity was estimated by voltammetry on rotating disk electrode in acidic and alkaline media. (Co,Ni)-doped OMCs show modest activities in acidic media, while the catalytic activity in alkaline media is rather high. The measured activities are compared to the Pt-based and Pt-free ORR catalysts reported in the literature. The number of electrons consumed per O2in metal-doped OMCs was found to vary between 2 and 4, which is advantageous in comparison to metal-free OMC. Also, the mass activities of metal-doped OMCs were found to be up to 2.5 times higher compared to that of metal-free OMC. We suggest that the ORR activity is governed by a balance between (i) textural properties, which determine the electrochemically accessible surface of the catalyst and which are influenced by the addition of a metal precursor, and (ii) novel active sites formed upon the introduction of metals into the carbon structure. In particular, our Density Functional Theory calculations suggest that Co and Ni atoms embedded into the single vacancies of graphene can activate the O2molecule and contribute to the decomposition of peroxide.
T2  - Surface and Coatings Technology
T1  - A study of ordered mesoporous carbon doped with Co and Ni as a catalyst of oxygen reduction reaction in both alkaline and acidic media
VL  - 349
SP  - 511
EP  - 521
DO  - 10.1016/j.surfcoat.2018.06.008
ER  - 
@article{
author = "Gavrilov, Nemanja M. and Momčilović, Milan Z. and Dobrota, Ana S. and Stanković, Dalibor M. and Jokić, Bojan M. and Babić, Biljana M. and Skorodumova, Natalia V. and Mentus, Slavko V. and Pašti, Igor A.",
year = "2018",
url = "https://linkinghub.elsevier.com/retrieve/pii/S0257897218305838, http://vinar.vin.bg.ac.rs/handle/123456789/7727",
abstract = "The incorporation of trace amounts (<0.2%) of Co and Ni noticeably enhanced the catalytic activity of nitrogen-free ordered mesoporous carbon (OMC) towards oxygen reduction reaction (ORR). (Co,Ni)-doped OMCs were characterized by N2-adsorption measurements, X-ray powder diffraction, field emission scanning electron microscopy and Raman spectroscopy methods, and their ORR activity was estimated by voltammetry on rotating disk electrode in acidic and alkaline media. (Co,Ni)-doped OMCs show modest activities in acidic media, while the catalytic activity in alkaline media is rather high. The measured activities are compared to the Pt-based and Pt-free ORR catalysts reported in the literature. The number of electrons consumed per O2in metal-doped OMCs was found to vary between 2 and 4, which is advantageous in comparison to metal-free OMC. Also, the mass activities of metal-doped OMCs were found to be up to 2.5 times higher compared to that of metal-free OMC. We suggest that the ORR activity is governed by a balance between (i) textural properties, which determine the electrochemically accessible surface of the catalyst and which are influenced by the addition of a metal precursor, and (ii) novel active sites formed upon the introduction of metals into the carbon structure. In particular, our Density Functional Theory calculations suggest that Co and Ni atoms embedded into the single vacancies of graphene can activate the O2molecule and contribute to the decomposition of peroxide.",
journal = "Surface and Coatings Technology",
title = "A study of ordered mesoporous carbon doped with Co and Ni as a catalyst of oxygen reduction reaction in both alkaline and acidic media",
volume = "349",
pages = "511-521",
doi = "10.1016/j.surfcoat.2018.06.008"
}
Gavrilov, N. M., Momčilović, M. Z., Dobrota, A. S., Stanković, D. M., Jokić, B. M., Babić, B. M., Skorodumova, N. V., Mentus, S. V.,& Pašti, I. A. (2018). A study of ordered mesoporous carbon doped with Co and Ni as a catalyst of oxygen reduction reaction in both alkaline and acidic media.
Surface and Coatings Technology, 349, 511-521.
https://doi.org/10.1016/j.surfcoat.2018.06.008
Gavrilov NM, Momčilović MZ, Dobrota AS, Stanković DM, Jokić BM, Babić BM, Skorodumova NV, Mentus SV, Pašti IA. A study of ordered mesoporous carbon doped with Co and Ni as a catalyst of oxygen reduction reaction in both alkaline and acidic media. Surface and Coatings Technology. 2018;349:511-521
Gavrilov Nemanja M., Momčilović Milan Z., Dobrota Ana S., Stanković Dalibor M., Jokić Bojan M., Babić Biljana M., Skorodumova Natalia V., Mentus Slavko V., Pašti Igor A., "A study of ordered mesoporous carbon doped with Co and Ni as a catalyst of oxygen reduction reaction in both alkaline and acidic media" Surface and Coatings Technology, 349 (2018):511-521,
https://doi.org/10.1016/j.surfcoat.2018.06.008 .
15
11
14

Electrochemical tuning of capacitive response of graphene oxide

Gutić, Sanjin J.; Kozlica, Dževad K.; Korać, Fehim; Bajuk-Bogdanović, Danica V.; Mitrić, Miodrag; Mirsky, Vladimir M.; Mentus, Slavko V.; Pašti, Igor A.

(2018)

TY  - JOUR
AU  - Gutić, Sanjin J.
AU  - Kozlica, Dževad K.
AU  - Korać, Fehim
AU  - Bajuk-Bogdanović, Danica V.
AU  - Mitrić, Miodrag
AU  - Mirsky, Vladimir M.
AU  - Mentus, Slavko V.
AU  - Pašti, Igor A.
PY  - 2018
UR  - http://xlink.rsc.org/?DOI=C8CP03631D
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7877
AB  - The increasing energy demands of modern society require a deep understanding of the properties of energy storage materials, as well as the tuning of their performance. We show that the capacitance of graphene oxide (GO) can be precisely tuned using a simple electrochemical reduction route. In situ resistance measurements, in combination with cyclic voltammetry measurements and Raman spectroscopy, have shown that upon reduction GO is irreversibly deoxygenated, which is further accompanied by structural ordering and an increase in electrical conductivity. The capacitance is maximized when the concentration of oxygen functional groups is properly balanced with the conductivity. Any further reduction and deoxygenation leads to a gradual loss of capacitance. The observed trend is independent of the preparation route and the exact chemical and structural properties of GO. It is proposed that an improvement in the capacitive properties of any GO can be achieved by optimization of its reduction conditions.
T2  - Physical Chemistry Chemical Physics
T1  - Electrochemical tuning of capacitive response of graphene oxide
VL  - 20
IS  - 35
SP  - 22698
EP  - 22709
DO  - 10.1039/C8CP03631D
ER  - 
@article{
author = "Gutić, Sanjin J. and Kozlica, Dževad K. and Korać, Fehim and Bajuk-Bogdanović, Danica V. and Mitrić, Miodrag and Mirsky, Vladimir M. and Mentus, Slavko V. and Pašti, Igor A.",
year = "2018",
url = "http://xlink.rsc.org/?DOI=C8CP03631D, http://vinar.vin.bg.ac.rs/handle/123456789/7877",
abstract = "The increasing energy demands of modern society require a deep understanding of the properties of energy storage materials, as well as the tuning of their performance. We show that the capacitance of graphene oxide (GO) can be precisely tuned using a simple electrochemical reduction route. In situ resistance measurements, in combination with cyclic voltammetry measurements and Raman spectroscopy, have shown that upon reduction GO is irreversibly deoxygenated, which is further accompanied by structural ordering and an increase in electrical conductivity. The capacitance is maximized when the concentration of oxygen functional groups is properly balanced with the conductivity. Any further reduction and deoxygenation leads to a gradual loss of capacitance. The observed trend is independent of the preparation route and the exact chemical and structural properties of GO. It is proposed that an improvement in the capacitive properties of any GO can be achieved by optimization of its reduction conditions.",
journal = "Physical Chemistry Chemical Physics",
title = "Electrochemical tuning of capacitive response of graphene oxide",
volume = "20",
number = "35",
pages = "22698-22709",
doi = "10.1039/C8CP03631D"
}
Gutić, S. J., Kozlica, D. K., Korać, F., Bajuk-Bogdanović, D. V., Mitrić, M., Mirsky, V. M., Mentus, S. V.,& Pašti, I. A. (2018). Electrochemical tuning of capacitive response of graphene oxide.
Physical Chemistry Chemical Physics, 20(35), 22698-22709.
https://doi.org/10.1039/C8CP03631D
Gutić SJ, Kozlica DK, Korać F, Bajuk-Bogdanović DV, Mitrić M, Mirsky VM, Mentus SV, Pašti IA. Electrochemical tuning of capacitive response of graphene oxide. Physical Chemistry Chemical Physics. 2018;20(35):22698-22709
Gutić Sanjin J., Kozlica Dževad K., Korać Fehim, Bajuk-Bogdanović Danica V., Mitrić Miodrag, Mirsky Vladimir M., Mentus Slavko V., Pašti Igor A., "Electrochemical tuning of capacitive response of graphene oxide" Physical Chemistry Chemical Physics, 20, no. 35 (2018):22698-22709,
https://doi.org/10.1039/C8CP03631D .
1
6
6
7

Electrochemical tuning of capacitive response of graphene oxide

Gutić, Sanjin J.; Kozlica, Dževad K.; Korać, Fehim; Bajuk-Bogdanović, Danica V.; Mitrić, Miodrag; Mirsky, Vladimir M.; Mentus, Slavko V.; Pašti, Igor A.

(2018)

TY  - JOUR
AU  - Gutić, Sanjin J.
AU  - Kozlica, Dževad K.
AU  - Korać, Fehim
AU  - Bajuk-Bogdanović, Danica V.
AU  - Mitrić, Miodrag
AU  - Mirsky, Vladimir M.
AU  - Mentus, Slavko V.
AU  - Pašti, Igor A.
PY  - 2018
UR  - http://xlink.rsc.org/?DOI=C8CP03631D
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7887
AB  - The increasing energy demands of modern society require a deep understanding of the properties of energy storage materials, as well as the tuning of their performance. We show that the capacitance of graphene oxide (GO) can be precisely tuned using a simple electrochemical reduction route. In situ resistance measurements, in combination with cyclic voltammetry measurements and Raman spectroscopy, have shown that upon reduction GO is irreversibly deoxygenated, which is further accompanied by structural ordering and an increase in electrical conductivity. The capacitance is maximized when the concentration of oxygen functional groups is properly balanced with the conductivity. Any further reduction and deoxygenation leads to a gradual loss of capacitance. The observed trend is independent of the preparation route and the exact chemical and structural properties of GO. It is proposed that an improvement in the capacitive properties of any GO can be achieved by optimization of its reduction conditions.
T2  - Physical Chemistry Chemical Physics
T1  - Electrochemical tuning of capacitive response of graphene oxide
VL  - 20
IS  - 35
SP  - 22698
EP  - 22709
DO  - 10.1039/C8CP03631D
ER  - 
@article{
author = "Gutić, Sanjin J. and Kozlica, Dževad K. and Korać, Fehim and Bajuk-Bogdanović, Danica V. and Mitrić, Miodrag and Mirsky, Vladimir M. and Mentus, Slavko V. and Pašti, Igor A.",
year = "2018",
url = "http://xlink.rsc.org/?DOI=C8CP03631D, http://vinar.vin.bg.ac.rs/handle/123456789/7887",
abstract = "The increasing energy demands of modern society require a deep understanding of the properties of energy storage materials, as well as the tuning of their performance. We show that the capacitance of graphene oxide (GO) can be precisely tuned using a simple electrochemical reduction route. In situ resistance measurements, in combination with cyclic voltammetry measurements and Raman spectroscopy, have shown that upon reduction GO is irreversibly deoxygenated, which is further accompanied by structural ordering and an increase in electrical conductivity. The capacitance is maximized when the concentration of oxygen functional groups is properly balanced with the conductivity. Any further reduction and deoxygenation leads to a gradual loss of capacitance. The observed trend is independent of the preparation route and the exact chemical and structural properties of GO. It is proposed that an improvement in the capacitive properties of any GO can be achieved by optimization of its reduction conditions.",
journal = "Physical Chemistry Chemical Physics",
title = "Electrochemical tuning of capacitive response of graphene oxide",
volume = "20",
number = "35",
pages = "22698-22709",
doi = "10.1039/C8CP03631D"
}
Gutić, S. J., Kozlica, D. K., Korać, F., Bajuk-Bogdanović, D. V., Mitrić, M., Mirsky, V. M., Mentus, S. V.,& Pašti, I. A. (2018). Electrochemical tuning of capacitive response of graphene oxide.
Physical Chemistry Chemical Physics, 20(35), 22698-22709.
https://doi.org/10.1039/C8CP03631D
Gutić SJ, Kozlica DK, Korać F, Bajuk-Bogdanović DV, Mitrić M, Mirsky VM, Mentus SV, Pašti IA. Electrochemical tuning of capacitive response of graphene oxide. Physical Chemistry Chemical Physics. 2018;20(35):22698-22709
Gutić Sanjin J., Kozlica Dževad K., Korać Fehim, Bajuk-Bogdanović Danica V., Mitrić Miodrag, Mirsky Vladimir M., Mentus Slavko V., Pašti Igor A., "Electrochemical tuning of capacitive response of graphene oxide" Physical Chemistry Chemical Physics, 20, no. 35 (2018):22698-22709,
https://doi.org/10.1039/C8CP03631D .
6
6
7

The impact of the structure of graphene-based materials on the removal of organophosphorus pesticides from water

Lazarević-Pašti, Tamara; Anićijević, Vladan J.; Baljozović, Miloš; Vasić Anićijević, Dragana D.; Gutić, Sanjin J.; Vasić, Vesna M.; Skorodumova, Natalia V.; Pašti, Igor A.

(2018)

TY  - JOUR
AU  - Lazarević-Pašti, Tamara
AU  - Anićijević, Vladan J.
AU  - Baljozović, Miloš
AU  - Vasić Anićijević, Dragana D.
AU  - Gutić, Sanjin J.
AU  - Vasić, Vesna M.
AU  - Skorodumova, Natalia V.
AU  - Pašti, Igor A.
PY  - 2018
UR  - http://xlink.rsc.org/?DOI=C8EN00171E
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/7730
AB  - The wide use of pesticides in modern agriculture and other areas results in an urgent need for their efficient removal from the environment. Adsorption of pesticides is one of the most commonly used strategies for this task. Here we analyze the adsorption of two organophosphorus pesticides, dimethoate (DMT) and chlorpyrifos (CPF), on graphene-based materials. The adsorption was found to be very sensitive to the structure of the adsorbents used. In particular, aliphatic DMT was found to prefer hydrophilic oxidized graphene surfaces. The CPF molecule, which contains an aromatic moiety, prefers adsorption on the surface of a graphene basal plane with high structural order and preserved π electron system. The toxicity of pesticide solutions is reduced after adsorption, suggesting that there is no oxidation of DMT and CPF to more toxic oxo forms. We emphasize that the combination of structural properties of adsorbents and adsorbates defines the adsorption of organophosphorus pesticides on graphene-based materials, while the specific surface area of adsorbents is not the major factor.
T2  - Environmental Science: Nano
T1  - The impact of the structure of graphene-based materials on the removal of organophosphorus pesticides from water
VL  - 5
IS  - 6
SP  - 1482
EP  - 1494
DO  - 10.1039/C8EN00171E
ER  - 
@article{
author = "Lazarević-Pašti, Tamara and Anićijević, Vladan J. and Baljozović, Miloš and Vasić Anićijević, Dragana D. and Gutić, Sanjin J. and Vasić, Vesna M. and Skorodumova, Natalia V. and Pašti, Igor A.",
year = "2018",
url = "http://xlink.rsc.org/?DOI=C8EN00171E, http://vinar.vin.bg.ac.rs/handle/123456789/7730",
abstract = "The wide use of pesticides in modern agriculture and other areas results in an urgent need for their efficient removal from the environment. Adsorption of pesticides is one of the most commonly used strategies for this task. Here we analyze the adsorption of two organophosphorus pesticides, dimethoate (DMT) and chlorpyrifos (CPF), on graphene-based materials. The adsorption was found to be very sensitive to the structure of the adsorbents used. In particular, aliphatic DMT was found to prefer hydrophilic oxidized graphene surfaces. The CPF molecule, which contains an aromatic moiety, prefers adsorption on the surface of a graphene basal plane with high structural order and preserved π electron system. The toxicity of pesticide solutions is reduced after adsorption, suggesting that there is no oxidation of DMT and CPF to more toxic oxo forms. We emphasize that the combination of structural properties of adsorbents and adsorbates defines the adsorption of organophosphorus pesticides on graphene-based materials, while the specific surface area of adsorbents is not the major factor.",
journal = "Environmental Science: Nano",
title = "The impact of the structure of graphene-based materials on the removal of organophosphorus pesticides from water",
volume = "5",
number = "6",
pages = "1482-1494",
doi = "10.1039/C8EN00171E"
}
Lazarević-Pašti, T., Anićijević, V. J., Baljozović, M., Vasić Anićijević, D. D., Gutić, S. J., Vasić, V. M., Skorodumova, N. V.,& Pašti, I. A. (2018). The impact of the structure of graphene-based materials on the removal of organophosphorus pesticides from water.
Environmental Science: Nano, 5(6), 1482-1494.
https://doi.org/10.1039/C8EN00171E
Lazarević-Pašti T, Anićijević VJ, Baljozović M, Vasić Anićijević DD, Gutić SJ, Vasić VM, Skorodumova NV, Pašti IA. The impact of the structure of graphene-based materials on the removal of organophosphorus pesticides from water. Environmental Science: Nano. 2018;5(6):1482-1494
Lazarević-Pašti Tamara, Anićijević Vladan J., Baljozović Miloš, Vasić Anićijević Dragana D., Gutić Sanjin J., Vasić Vesna M., Skorodumova Natalia V., Pašti Igor A., "The impact of the structure of graphene-based materials on the removal of organophosphorus pesticides from water" Environmental Science: Nano, 5, no. 6 (2018):1482-1494,
https://doi.org/10.1039/C8EN00171E .
7
29
15
28

Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X

Vasić, Milica M.; Čebela, Maria; Pašti, Igor A.; Amaral, Luis; Hercigonja, Radmila V.; Santos, Diogo M. F.; Šljukić, Biljana

(2018)

TY  - JOUR
AU  - Vasić, Milica M.
AU  - Čebela, Maria
AU  - Pašti, Igor A.
AU  - Amaral, Luis
AU  - Hercigonja, Radmila V.
AU  - Santos, Diogo M. F.
AU  - Šljukić, Biljana
PY  - 2018
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1943
AB  - Palladium ion-exchanged zeolite X (PdX) was prepared by zeolite impregnation with palladium acetylacetonate, followed by thermal degradation of the salt. PdX was characterised using SEM-EDS, ICP-OES and XRD. Analysis revealed presence of 7.78 wt.% of Pd in the form of PdO. Subsequently, PdX was tested for hydrogen evolution reaction (HER) in alkaline medium using linear scan voltammetry, chronoamperometry and electrochemical impedance spectroscopy measurements. The influence of addition of carbon black on the materials catalytic performance was also investigated. The HER kinetic parameters, including Tafel slope, exchange current density and activation energy, were determined. In order to provide atomic-level insights, experimental results were complemented by density functional theory calculations. It is suggested that favourable hydrogen adsorption energetics on PdO is responsible for efficient HER catalysis by this novel electrocatalyst. (c) 2017 Elsevier Ltd. All rights reserved.
T2  - Electrochimica Acta
T1  - Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X
VL  - 259
SP  - 882
EP  - 892
DO  - 10.1016/j.electacta.2017.11.020
ER  - 
@article{
author = "Vasić, Milica M. and Čebela, Maria and Pašti, Igor A. and Amaral, Luis and Hercigonja, Radmila V. and Santos, Diogo M. F. and Šljukić, Biljana",
year = "2018",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1943",
abstract = "Palladium ion-exchanged zeolite X (PdX) was prepared by zeolite impregnation with palladium acetylacetonate, followed by thermal degradation of the salt. PdX was characterised using SEM-EDS, ICP-OES and XRD. Analysis revealed presence of 7.78 wt.% of Pd in the form of PdO. Subsequently, PdX was tested for hydrogen evolution reaction (HER) in alkaline medium using linear scan voltammetry, chronoamperometry and electrochemical impedance spectroscopy measurements. The influence of addition of carbon black on the materials catalytic performance was also investigated. The HER kinetic parameters, including Tafel slope, exchange current density and activation energy, were determined. In order to provide atomic-level insights, experimental results were complemented by density functional theory calculations. It is suggested that favourable hydrogen adsorption energetics on PdO is responsible for efficient HER catalysis by this novel electrocatalyst. (c) 2017 Elsevier Ltd. All rights reserved.",
journal = "Electrochimica Acta",
title = "Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X",
volume = "259",
pages = "882-892",
doi = "10.1016/j.electacta.2017.11.020"
}
Vasić, M. M., Čebela, M., Pašti, I. A., Amaral, L., Hercigonja, R. V., Santos, D. M. F.,& Šljukić, B. (2018). Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X.
Electrochimica Acta, 259, 882-892.
https://doi.org/10.1016/j.electacta.2017.11.020
Vasić MM, Čebela M, Pašti IA, Amaral L, Hercigonja RV, Santos DMF, Šljukić B. Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X. Electrochimica Acta. 2018;259:882-892
Vasić Milica M., Čebela Maria, Pašti Igor A., Amaral Luis, Hercigonja Radmila V., Santos Diogo M. F., Šljukić Biljana, "Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X" Electrochimica Acta, 259 (2018):882-892,
https://doi.org/10.1016/j.electacta.2017.11.020 .
22
21
22

Electrocatalityc application of gold-polyaniline nanocomposite

Bogdanović, Una; Vodnik, Vesna; Pašti, Igor A.; Ćirić-Marjanović, G.; Mitrić, Miodrag; Ahrenkiel, S.P.

(Society of Physical Chemists of Serbia, 2016)

TY  - CONF
AU  - Bogdanović, Una
AU  - Vodnik, Vesna
AU  - Pašti, Igor A.
AU  - Ćirić-Marjanović, G.
AU  - Mitrić, Miodrag
AU  - Ahrenkiel, S.P.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9178
AB  - Gold‒polyaniline (AuPANI) nanocomposite, with granular morphology  of PANI and rod‒like Au nanoparticles (NPs) as dominate structure distributed in  it,  was  prepared  by  interfacial  polymerization  method  in  an  immiscible water/toluene     biphasic     system.     Simultaneously     with     the     aniline polymerization to polyaniline (PANI) by HAuCl4, as an oxidant, AuNPs are formed. AuPANI composite as green precipitate is collected from aqueous phase.  Polyaniline  in  the  composite  is  in  the  conductive  emeraldine  salt form  (PANIES),  with  high  amount  of  Au  (28.85  wt  %).  Nanocomposite showed   great   electrocatalytic   activity   towards   the   electrochemical   O2reduction   reaction   (ORR),   with   high   ORR   onset   potential   and   high selectivity  for  O2reduction  to  water.  This  makes  it  a  good  candidate  for  a new class of Pt‒free ORR catalyst.
PB  - Society of Physical Chemists of Serbia
C3  - Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry
T1  - Electrocatalityc application of gold-polyaniline nanocomposite
SP  - E-09-P
ER  - 
@conference{
author = "Bogdanović, Una and Vodnik, Vesna and Pašti, Igor A. and Ćirić-Marjanović, G. and Mitrić, Miodrag and Ahrenkiel, S.P.",
year = "2016",
url = "https://vinar.vin.bg.ac.rs/handle/123456789/9178",
abstract = "Gold‒polyaniline (AuPANI) nanocomposite, with granular morphology  of PANI and rod‒like Au nanoparticles (NPs) as dominate structure distributed in  it,  was  prepared  by  interfacial  polymerization  method  in  an  immiscible water/toluene     biphasic     system.     Simultaneously     with     the     aniline polymerization to polyaniline (PANI) by HAuCl4, as an oxidant, AuNPs are formed. AuPANI composite as green precipitate is collected from aqueous phase.  Polyaniline  in  the  composite  is  in  the  conductive  emeraldine  salt form  (PANIES),  with  high  amount  of  Au  (28.85  wt  %).  Nanocomposite showed   great   electrocatalytic   activity   towards   the   electrochemical   O2reduction   reaction   (ORR),   with   high   ORR   onset   potential   and   high selectivity  for  O2reduction  to  water.  This  makes  it  a  good  candidate  for  a new class of Pt‒free ORR catalyst.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry",
title = "Electrocatalityc application of gold-polyaniline nanocomposite",
pages = "E-09-P"
}
Bogdanović, U., Vodnik, V., Pašti, I. A., Ćirić-Marjanović, G., Mitrić, M.,& Ahrenkiel, S.P. (2016). Electrocatalityc application of gold-polyaniline nanocomposite.
Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry
Society of Physical Chemists of Serbia., E-09-P.
Bogdanović U, Vodnik V, Pašti IA, Ćirić-Marjanović G, Mitrić M, Ahrenkiel S. Electrocatalityc application of gold-polyaniline nanocomposite. Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry. 2016;:E-09-P
Bogdanović Una, Vodnik Vesna, Pašti Igor A., Ćirić-Marjanović G., Mitrić Miodrag, Ahrenkiel S.P., "Electrocatalityc application of gold-polyaniline nanocomposite" Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry (2016):E-09-P

Stabilization of alkali metal ions interaction with OH-functionalized graphene via clustering of OH groups - implications in charge storage applications

Dobrota, Ana S.; Gutić, Sanjin J.; Kalijadis, Ana; Baljozović, Miloš; Mentus, Slavko V.; Skorodumova, Natalia V.; Pašti, Igor A.

(2016)

TY  - JOUR
AU  - Dobrota, Ana S.
AU  - Gutić, Sanjin J.
AU  - Kalijadis, Ana
AU  - Baljozović, Miloš
AU  - Mentus, Slavko V.
AU  - Skorodumova, Natalia V.
AU  - Pašti, Igor A.
PY  - 2016
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1155
AB  - Graphene synthesized by reduction of graphene oxide, depending on the degree of reduction, retains a certain amount of surface OH groups. Considering the surface OH groups/graphene layer system by means of density functional theory calculations, we evidenced the tendency of OH groups to cluster, resulting in enhanced system stability and no band gap opening. In the oxygen concentration range between 1.8 and 8.47 at%, with the addition of each new OH group, integral binding energy decreases, while differential binding energy shows the boost at even numbers of OH groups. Furthermore, we found that the clustering of OH groups over graphene basal plane plays a crucial role in enhancing the interactions with alkali metals. Namely, if alkali metal atoms interact with individual OH groups only, the interaction leads to an irreversible formation of MOH phase. When alkali atoms interact with clusters containing odd number of OH groups, a reversible transfer of an electron charge from the metal atom to the substrate takes place without OH removal. The strength of the interaction in general increases from Li to K. In an experimental investigation of a graphene sample which dominantly contains OH groups, we have shown that the trend in the specific interaction strength reflects to gravimetric capacitances measured in alkali metal chloride solutions. We propose that the charge stored in OH groups which interact with alkali metal cation and the pi electronic system of the graphene basal plane presents the main part of its pseudocapacitance.
T2  - RSC Advances
T1  - Stabilization of alkali metal ions interaction with OH-functionalized graphene via clustering of OH groups - implications in charge storage applications
VL  - 6
IS  - 63
SP  - 57910
EP  - 57919
DO  - 10.1039/c6ra13509a
ER  - 
@article{
author = "Dobrota, Ana S. and Gutić, Sanjin J. and Kalijadis, Ana and Baljozović, Miloš and Mentus, Slavko V. and Skorodumova, Natalia V. and Pašti, Igor A.",
year = "2016",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1155",
abstract = "Graphene synthesized by reduction of graphene oxide, depending on the degree of reduction, retains a certain amount of surface OH groups. Considering the surface OH groups/graphene layer system by means of density functional theory calculations, we evidenced the tendency of OH groups to cluster, resulting in enhanced system stability and no band gap opening. In the oxygen concentration range between 1.8 and 8.47 at%, with the addition of each new OH group, integral binding energy decreases, while differential binding energy shows the boost at even numbers of OH groups. Furthermore, we found that the clustering of OH groups over graphene basal plane plays a crucial role in enhancing the interactions with alkali metals. Namely, if alkali metal atoms interact with individual OH groups only, the interaction leads to an irreversible formation of MOH phase. When alkali atoms interact with clusters containing odd number of OH groups, a reversible transfer of an electron charge from the metal atom to the substrate takes place without OH removal. The strength of the interaction in general increases from Li to K. In an experimental investigation of a graphene sample which dominantly contains OH groups, we have shown that the trend in the specific interaction strength reflects to gravimetric capacitances measured in alkali metal chloride solutions. We propose that the charge stored in OH groups which interact with alkali metal cation and the pi electronic system of the graphene basal plane presents the main part of its pseudocapacitance.",
journal = "RSC Advances",
title = "Stabilization of alkali metal ions interaction with OH-functionalized graphene via clustering of OH groups - implications in charge storage applications",
volume = "6",
number = "63",
pages = "57910-57919",
doi = "10.1039/c6ra13509a"
}
Dobrota, A. S., Gutić, S. J., Kalijadis, A., Baljozović, M., Mentus, S. V., Skorodumova, N. V.,& Pašti, I. A. (2016). Stabilization of alkali metal ions interaction with OH-functionalized graphene via clustering of OH groups - implications in charge storage applications.
RSC Advances, 6(63), 57910-57919.
https://doi.org/10.1039/c6ra13509a
Dobrota AS, Gutić SJ, Kalijadis A, Baljozović M, Mentus SV, Skorodumova NV, Pašti IA. Stabilization of alkali metal ions interaction with OH-functionalized graphene via clustering of OH groups - implications in charge storage applications. RSC Advances. 2016;6(63):57910-57919
Dobrota Ana S., Gutić Sanjin J., Kalijadis Ana, Baljozović Miloš, Mentus Slavko V., Skorodumova Natalia V., Pašti Igor A., "Stabilization of alkali metal ions interaction with OH-functionalized graphene via clustering of OH groups - implications in charge storage applications" RSC Advances, 6, no. 63 (2016):57910-57919,
https://doi.org/10.1039/c6ra13509a .
11
12
13

Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water

Lazarević-Pašti, Tamara; Pašti, Igor A.; Jokić, Bojan M.; Babić, Biljana M.; Vasić, Vesna M.

(2016)

TY  - JOUR
AU  - Lazarević-Pašti, Tamara
AU  - Pašti, Igor A.
AU  - Jokić, Bojan M.
AU  - Babić, Biljana M.
AU  - Vasić, Vesna M.
PY  - 2016
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/1178
AB  - Extensive use of organophosphate pesticides (OPs) invokes development of efficient procedures for their removal from the environment. By introducing low levels ( LT 1 at%) of B, N or P into the structure of mesoporous carbons, we have produced a series of materials with different surface chemical composition, textural properties and level of structural disorder. These adsorbents were applied for removal of dimethoate and its oxo-analogue omethoate from aqueous solutions under batch adsorption conditions and by filtration using modified nylon membrane filters. Adsorption capacities up to 164 mg g(-1) were measured, with OPs uptake typically above 80% for dimethoate concentration as high as 5 x 10(-3) mol dm(-3). After the adsorption, neurotoxic effects of OP-containing water samples were significantly reduced or completely removed. The level of structural disorder was identified as a key parameter for efficient removal of dimethoate and omethoate while in the filtration experiments surface area of adsorbents also played an important role. While the presented research appeals to new fundamental studies of OP-carbon surface interactions, it also indicates a possible strategy in designing new efficient adsorbents for OPs removal from water.
T2  - RSC Advances
T1  - Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water
VL  - 6
IS  - 67
SP  - 62128
EP  - 62139
DO  - 10.1039/c6ra06736k
ER  - 
@article{
author = "Lazarević-Pašti, Tamara and Pašti, Igor A. and Jokić, Bojan M. and Babić, Biljana M. and Vasić, Vesna M.",
year = "2016",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/1178",
abstract = "Extensive use of organophosphate pesticides (OPs) invokes development of efficient procedures for their removal from the environment. By introducing low levels ( LT 1 at%) of B, N or P into the structure of mesoporous carbons, we have produced a series of materials with different surface chemical composition, textural properties and level of structural disorder. These adsorbents were applied for removal of dimethoate and its oxo-analogue omethoate from aqueous solutions under batch adsorption conditions and by filtration using modified nylon membrane filters. Adsorption capacities up to 164 mg g(-1) were measured, with OPs uptake typically above 80% for dimethoate concentration as high as 5 x 10(-3) mol dm(-3). After the adsorption, neurotoxic effects of OP-containing water samples were significantly reduced or completely removed. The level of structural disorder was identified as a key parameter for efficient removal of dimethoate and omethoate while in the filtration experiments surface area of adsorbents also played an important role. While the presented research appeals to new fundamental studies of OP-carbon surface interactions, it also indicates a possible strategy in designing new efficient adsorbents for OPs removal from water.",
journal = "RSC Advances",
title = "Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water",
volume = "6",
number = "67",
pages = "62128-62139",
doi = "10.1039/c6ra06736k"
}
Lazarević-Pašti, T., Pašti, I. A., Jokić, B. M., Babić, B. M.,& Vasić, V. M. (2016). Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water.
RSC Advances, 6(67), 62128-62139.
https://doi.org/10.1039/c6ra06736k
Lazarević-Pašti T, Pašti IA, Jokić BM, Babić BM, Vasić VM. Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water. RSC Advances. 2016;6(67):62128-62139
Lazarević-Pašti Tamara, Pašti Igor A., Jokić Bojan M., Babić Biljana M., Vasić Vesna M., "Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water" RSC Advances, 6, no. 67 (2016):62128-62139,
https://doi.org/10.1039/c6ra06736k .
14
10
13

The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons

Pašti, Igor A.; Gavrilov, Nemanja M.; Dobrota, Ana S.; Momčilović, Milan Z.; Stojmenović, Marija; Topalov, Angel; Stanković, Dalibor M.; Babić, Biljana M.; Ćirić-Marjanović, Gordana N.; Mentus, Slavko V.

(2015)

TY  - JOUR
AU  - Pašti, Igor A.
AU  - Gavrilov, Nemanja M.
AU  - Dobrota, Ana S.
AU  - Momčilović, Milan Z.
AU  - Stojmenović, Marija
AU  - Topalov, Angel
AU  - Stanković, Dalibor M.
AU  - Babić, Biljana M.
AU  - Ćirić-Marjanović, Gordana N.
AU  - Mentus, Slavko V.
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/769
AB  - In order to elucidate the role of B, N, and P dopants in carbon materials on the kinetics of oxygen reduction reaction (ORR) and to provide a fair comparison of the effects of each dopant, a series of ordered mesoporous carbons (OMCs) with low concentration of heteroatoms ( LT 1 at%) has been prepared. Doped OMCs were characterized using X-ray photoelectron spectroscopy (XPS), inductively coupled plasma optical emission spectroscopy (ICP-OES), Raman spectroscopy, X-ray powder diffraction (XRD), and N-2 physisorption measurements. Comparative study of the ORR activity of these materials in alkaline solution was performed using rotating disk electrode voltammetry. The experiments evidenced that, compared to non-doped OMC, charge transfer kinetics was improved independently on the nature of the heteroatom. The decrease of the ORR overvoltage and the increase of the mass activity upon doping are similar for B and P and less prominent for N. On the other hand, OMCs doped with low levels of B and N were found to be selective for O-2 reduction to peroxide, while for P-doped OMCs, the apparent number of electrons consumed per O-2 molecule was up to 3.1. Experimental measurements were complemented by density functional theory (DFT) calculations.
T2  - Electrocatalysis
T1  - The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons
VL  - 6
IS  - 6
SP  - 498
EP  - 511
DO  - 10.1007/s12678-015-0271-0
ER  - 
@article{
author = "Pašti, Igor A. and Gavrilov, Nemanja M. and Dobrota, Ana S. and Momčilović, Milan Z. and Stojmenović, Marija and Topalov, Angel and Stanković, Dalibor M. and Babić, Biljana M. and Ćirić-Marjanović, Gordana N. and Mentus, Slavko V.",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/769",
abstract = "In order to elucidate the role of B, N, and P dopants in carbon materials on the kinetics of oxygen reduction reaction (ORR) and to provide a fair comparison of the effects of each dopant, a series of ordered mesoporous carbons (OMCs) with low concentration of heteroatoms ( LT 1 at%) has been prepared. Doped OMCs were characterized using X-ray photoelectron spectroscopy (XPS), inductively coupled plasma optical emission spectroscopy (ICP-OES), Raman spectroscopy, X-ray powder diffraction (XRD), and N-2 physisorption measurements. Comparative study of the ORR activity of these materials in alkaline solution was performed using rotating disk electrode voltammetry. The experiments evidenced that, compared to non-doped OMC, charge transfer kinetics was improved independently on the nature of the heteroatom. The decrease of the ORR overvoltage and the increase of the mass activity upon doping are similar for B and P and less prominent for N. On the other hand, OMCs doped with low levels of B and N were found to be selective for O-2 reduction to peroxide, while for P-doped OMCs, the apparent number of electrons consumed per O-2 molecule was up to 3.1. Experimental measurements were complemented by density functional theory (DFT) calculations.",
journal = "Electrocatalysis",
title = "The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons",
volume = "6",
number = "6",
pages = "498-511",
doi = "10.1007/s12678-015-0271-0"
}
Pašti, I. A., Gavrilov, N. M., Dobrota, A. S., Momčilović, M. Z., Stojmenović, M., Topalov, A., Stanković, D. M., Babić, B. M., Ćirić-Marjanović, G. N.,& Mentus, S. V. (2015). The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons.
Electrocatalysis, 6(6), 498-511.
https://doi.org/10.1007/s12678-015-0271-0
Pašti IA, Gavrilov NM, Dobrota AS, Momčilović MZ, Stojmenović M, Topalov A, Stanković DM, Babić BM, Ćirić-Marjanović GN, Mentus SV. The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons. Electrocatalysis. 2015;6(6):498-511
Pašti Igor A., Gavrilov Nemanja M., Dobrota Ana S., Momčilović Milan Z., Stojmenović Marija, Topalov Angel, Stanković Dalibor M., Babić Biljana M., Ćirić-Marjanović Gordana N., Mentus Slavko V., "The Effects of a Low-Level Boron, Phosphorus, and Nitrogen Doping on the Oxygen Reduction Activity of Ordered Mesoporous Carbons" Electrocatalysis, 6, no. 6 (2015):498-511,
https://doi.org/10.1007/s12678-015-0271-0 .
29
30
33

Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study

Vasić Anićijević, Dragana D.; Nikolić, Vladimir M.; Marčeta Kaninski, Milica; Pašti, Igor A.

(2015)

TY  - JOUR
AU  - Vasić Anićijević, Dragana D.
AU  - Nikolić, Vladimir M.
AU  - Marčeta Kaninski, Milica
AU  - Pašti, Igor A.
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/528
AB  - Tungsten carbide (WC) is in the focus of current research as a suitable electrocatalyst support. Typically, supported monometallic system are investigated, in spite the fact that practice in catalysis shows that multimetallic systems can have significantly better performance compared to monometallic counterparts. In this work, WC-supported Pd3Au overlayers were studied theoretically using periodic Density Functional Theory calculations and compared to bulk-like Pd3Au and pure Pd. Stability of studied surfaces and the electronic structures were analyzed. Chemisorption properties were probed using atomic H and CO molecule. Electrocatalytic activities of studied surfaces were estimated using hydrogen binding energy as catalytic activity descriptor for hydrogen electrode reactions. The connection between H binding energy and CO adsorption energy enabled us to establish the link between catalytic activity and CO tolerance of studied surfaces. It is considered that formation of bimetallic layers on WC opens a new perspective in designing new core-shell electrocatalysts with high performance and significantly reduced content of noble metals. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
T2  - International Journal of Hydrogen Energy
T1  - Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study
VL  - 40
IS  - 18
SP  - 6085
EP  - 6096
DO  - 10.1016/j.ijhydene.2015.03.083
ER  - 
@article{
author = "Vasić Anićijević, Dragana D. and Nikolić, Vladimir M. and Marčeta Kaninski, Milica and Pašti, Igor A.",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/528",
abstract = "Tungsten carbide (WC) is in the focus of current research as a suitable electrocatalyst support. Typically, supported monometallic system are investigated, in spite the fact that practice in catalysis shows that multimetallic systems can have significantly better performance compared to monometallic counterparts. In this work, WC-supported Pd3Au overlayers were studied theoretically using periodic Density Functional Theory calculations and compared to bulk-like Pd3Au and pure Pd. Stability of studied surfaces and the electronic structures were analyzed. Chemisorption properties were probed using atomic H and CO molecule. Electrocatalytic activities of studied surfaces were estimated using hydrogen binding energy as catalytic activity descriptor for hydrogen electrode reactions. The connection between H binding energy and CO adsorption energy enabled us to establish the link between catalytic activity and CO tolerance of studied surfaces. It is considered that formation of bimetallic layers on WC opens a new perspective in designing new core-shell electrocatalysts with high performance and significantly reduced content of noble metals. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.",
journal = "International Journal of Hydrogen Energy",
title = "Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study",
volume = "40",
number = "18",
pages = "6085-6096",
doi = "10.1016/j.ijhydene.2015.03.083"
}
Vasić Anićijević, D. D., Nikolić, V. M., Marčeta Kaninski, M.,& Pašti, I. A. (2015). Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study.
International Journal of Hydrogen Energy, 40(18), 6085-6096.
https://doi.org/10.1016/j.ijhydene.2015.03.083
Vasić Anićijević DD, Nikolić VM, Marčeta Kaninski M, Pašti IA. Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study. International Journal of Hydrogen Energy. 2015;40(18):6085-6096
Vasić Anićijević Dragana D., Nikolić Vladimir M., Marčeta Kaninski Milica, Pašti Igor A., "Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study" International Journal of Hydrogen Energy, 40, no. 18 (2015):6085-6096,
https://doi.org/10.1016/j.ijhydene.2015.03.083 .
17
15
16

Incorporation of Pt, Ru and Pt-Ru nanoparticles into ordered mesoporous carbons for efficient oxygen reduction reaction in alkaline media

Stojmenović, Marija; Momčilović, Milan Z.; Gavrilov, Nemanja M.; Pašti, Igor A.; Mentus, Slavko V.; Jokić, Bojan M.; Babić, Biljana M.

(2015)

TY  - JOUR
AU  - Stojmenović, Marija
AU  - Momčilović, Milan Z.
AU  - Gavrilov, Nemanja M.
AU  - Pašti, Igor A.
AU  - Mentus, Slavko V.
AU  - Jokić, Bojan M.
AU  - Babić, Biljana M.
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/371
AB  - Ordered mesoporous carbon, volume-doped up to 3w.% with Pt, Ru and Pt-Ru nanoparticles was synthesized by evaporation-induced self-assembly method, under acidic conditions. The content of incorporated metal was determined by EDX analysis. The X-ray diffractometry confirmed the existence of highly dispersed metallic phases in doped samples. Specific surface area was determined by N-2-physisorption measurements to range between 452 and 545m(2) g(-1). Raman spectroscopy of investigated materials indicated highly disordered carbon structure with crystallite sizes around 1.4 nm. In a form of thin-layer electrode on glassy carbon support, in 0.1M KOH solution, the prepared materials displayed high activity toward oxygen reduction reaction (ORR) in alkaline media, with onset potentials more positive than -0.10 V vs. SCE. The kinetics of O-2 reduction was found to be affected by both the specific surface area and the concentration of metal dopants. The ethanol tolerance of (Pt, Ru)-doped OMCs was found to be higher than that of common Pt/C ORR catalysts. Presented study provides a new route for the synthesis of active and selective ORR catalysts in alkaline media, being competitive with, or superior to, the existing ones in terms of performance and price. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Electrochimica Acta
T1  - Incorporation of Pt, Ru and Pt-Ru nanoparticles into ordered mesoporous carbons for efficient oxygen reduction reaction in alkaline media
VL  - 153
SP  - 130
EP  - 139
DO  - 10.1016/j.electacta.2014.11.080
ER  - 
@article{
author = "Stojmenović, Marija and Momčilović, Milan Z. and Gavrilov, Nemanja M. and Pašti, Igor A. and Mentus, Slavko V. and Jokić, Bojan M. and Babić, Biljana M.",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/371",
abstract = "Ordered mesoporous carbon, volume-doped up to 3w.% with Pt, Ru and Pt-Ru nanoparticles was synthesized by evaporation-induced self-assembly method, under acidic conditions. The content of incorporated metal was determined by EDX analysis. The X-ray diffractometry confirmed the existence of highly dispersed metallic phases in doped samples. Specific surface area was determined by N-2-physisorption measurements to range between 452 and 545m(2) g(-1). Raman spectroscopy of investigated materials indicated highly disordered carbon structure with crystallite sizes around 1.4 nm. In a form of thin-layer electrode on glassy carbon support, in 0.1M KOH solution, the prepared materials displayed high activity toward oxygen reduction reaction (ORR) in alkaline media, with onset potentials more positive than -0.10 V vs. SCE. The kinetics of O-2 reduction was found to be affected by both the specific surface area and the concentration of metal dopants. The ethanol tolerance of (Pt, Ru)-doped OMCs was found to be higher than that of common Pt/C ORR catalysts. Presented study provides a new route for the synthesis of active and selective ORR catalysts in alkaline media, being competitive with, or superior to, the existing ones in terms of performance and price. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Electrochimica Acta",
title = "Incorporation of Pt, Ru and Pt-Ru nanoparticles into ordered mesoporous carbons for efficient oxygen reduction reaction in alkaline media",
volume = "153",
pages = "130-139",
doi = "10.1016/j.electacta.2014.11.080"
}
Stojmenović, M., Momčilović, M. Z., Gavrilov, N. M., Pašti, I. A., Mentus, S. V., Jokić, B. M.,& Babić, B. M. (2015). Incorporation of Pt, Ru and Pt-Ru nanoparticles into ordered mesoporous carbons for efficient oxygen reduction reaction in alkaline media.
Electrochimica Acta, 153, 130-139.
https://doi.org/10.1016/j.electacta.2014.11.080
Stojmenović M, Momčilović MZ, Gavrilov NM, Pašti IA, Mentus SV, Jokić BM, Babić BM. Incorporation of Pt, Ru and Pt-Ru nanoparticles into ordered mesoporous carbons for efficient oxygen reduction reaction in alkaline media. Electrochimica Acta. 2015;153:130-139
Stojmenović Marija, Momčilović Milan Z., Gavrilov Nemanja M., Pašti Igor A., Mentus Slavko V., Jokić Bojan M., Babić Biljana M., "Incorporation of Pt, Ru and Pt-Ru nanoparticles into ordered mesoporous carbons for efficient oxygen reduction reaction in alkaline media" Electrochimica Acta, 153 (2015):130-139,
https://doi.org/10.1016/j.electacta.2014.11.080 .
21
20
21

Interfacial Synthesis of Gold-Polyaniline Nanocomposite and Its Electrocatalytic Application

Bogdanović, Una; Pašti, Igor A.; Ćirić-Marjanović, Gordana N.; Mitrić, Miodrag; Ahrenkiel, Scott Phillip; Vodnik, Vesna

(2015)

TY  - JOUR
AU  - Bogdanović, Una
AU  - Pašti, Igor A.
AU  - Ćirić-Marjanović, Gordana N.
AU  - Mitrić, Miodrag
AU  - Ahrenkiel, Scott Phillip
AU  - Vodnik, Vesna
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/922
AB  - Gold-polyaniline (Au-PANI) nanocomposite was prepared using a simple interfacial polymerization method, performed in an immiscible water/toluene biphasic system using tetrachloroaurate, AuCl4- as an oxidant. The formation of Au+ nanoparticles (AuNPs) or Au-PANI nanocomposite can be controlled to a certain degree by varying the ratio of initial Au+ and aniline concentrations. Under optimal condition (HAuCl4/aniline ratio is 1:2), green dispersion of Au-PANI nanocomposite is produced in aqueous phase, whose morphology, structure and physicochemical properties are investigated in details. The nanocomposite shows granular morphology with mostly rodlike AuNPs embedded in polymer. It was found that polyaniline in the composite is in the conducting emeraldine salt form, containing high amount of Au (28.85 wt %). Furthermore, the electrical conductivity of the nanocomposite was found to be four-fold higher than that of the polymer itself. In addition, the nanocomposite powder, isolated from the as-prepared aqueous dispersion, can later be easily redispersed in water and further used for various applications. Moreover, the obtained Au-PANI nanocomposite showed excellent electrocatalytic performance toward the electrochemical oxygen reduction reaction (ORR), with high ORR onset potential and good selectivity. This makes it a promising candidate for a new class of Pt-free ORR. catalyst.
T2  - ACS Applied Materials and Interfaces
T1  - Interfacial Synthesis of Gold-Polyaniline Nanocomposite and Its Electrocatalytic Application
VL  - 7
IS  - 51
SP  - 28393
EP  - 28403
DO  - 10.1021/acsami.5b09145
ER  - 
@article{
author = "Bogdanović, Una and Pašti, Igor A. and Ćirić-Marjanović, Gordana N. and Mitrić, Miodrag and Ahrenkiel, Scott Phillip and Vodnik, Vesna",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/922",
abstract = "Gold-polyaniline (Au-PANI) nanocomposite was prepared using a simple interfacial polymerization method, performed in an immiscible water/toluene biphasic system using tetrachloroaurate, AuCl4- as an oxidant. The formation of Au+ nanoparticles (AuNPs) or Au-PANI nanocomposite can be controlled to a certain degree by varying the ratio of initial Au+ and aniline concentrations. Under optimal condition (HAuCl4/aniline ratio is 1:2), green dispersion of Au-PANI nanocomposite is produced in aqueous phase, whose morphology, structure and physicochemical properties are investigated in details. The nanocomposite shows granular morphology with mostly rodlike AuNPs embedded in polymer. It was found that polyaniline in the composite is in the conducting emeraldine salt form, containing high amount of Au (28.85 wt %). Furthermore, the electrical conductivity of the nanocomposite was found to be four-fold higher than that of the polymer itself. In addition, the nanocomposite powder, isolated from the as-prepared aqueous dispersion, can later be easily redispersed in water and further used for various applications. Moreover, the obtained Au-PANI nanocomposite showed excellent electrocatalytic performance toward the electrochemical oxygen reduction reaction (ORR), with high ORR onset potential and good selectivity. This makes it a promising candidate for a new class of Pt-free ORR. catalyst.",
journal = "ACS Applied Materials and Interfaces",
title = "Interfacial Synthesis of Gold-Polyaniline Nanocomposite and Its Electrocatalytic Application",
volume = "7",
number = "51",
pages = "28393-28403",
doi = "10.1021/acsami.5b09145"
}
Bogdanović, U., Pašti, I. A., Ćirić-Marjanović, G. N., Mitrić, M., Ahrenkiel, S. P.,& Vodnik, V. (2015). Interfacial Synthesis of Gold-Polyaniline Nanocomposite and Its Electrocatalytic Application.
ACS Applied Materials and Interfaces, 7(51), 28393-28403.
https://doi.org/10.1021/acsami.5b09145
Bogdanović U, Pašti IA, Ćirić-Marjanović GN, Mitrić M, Ahrenkiel SP, Vodnik V. Interfacial Synthesis of Gold-Polyaniline Nanocomposite and Its Electrocatalytic Application. ACS Applied Materials and Interfaces. 2015;7(51):28393-28403
Bogdanović Una, Pašti Igor A., Ćirić-Marjanović Gordana N., Mitrić Miodrag, Ahrenkiel Scott Phillip, Vodnik Vesna, "Interfacial Synthesis of Gold-Polyaniline Nanocomposite and Its Electrocatalytic Application" ACS Applied Materials and Interfaces, 7, no. 51 (2015):28393-28403,
https://doi.org/10.1021/acsami.5b09145 .
3
83
71
79

Complex electrochemical investigation of ordered mesoporous carbon synthesized by soft-templating method: charge storage and electrocatalytical or Pt-electrocatalyst supporting behavior

Momčilović, Milan Z.; Stojmenović, Marija; Gavrilov, Nemanja M.; Pašti, Igor A.; Mentus, Slavko V.; Babić, Biljana M.

(2014)

TY  - JOUR
AU  - Momčilović, Milan Z.
AU  - Stojmenović, Marija
AU  - Gavrilov, Nemanja M.
AU  - Pašti, Igor A.
AU  - Mentus, Slavko V.
AU  - Babić, Biljana M.
PY  - 2014
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5983
AB  - Ordered mesoporous carbon (OMC) was synthesized by an evaporation induced self-assembly method; under acidic conditions, with resorcinol as the carbon precursor and Pluronic F127 triblock copolymer (EO106PO70EO106) as a structure directing agent. The obtained OMC product was characterized by N-2 sorptometry, X-ray diffractometry and Raman spectroscopy. The mean pore radius of 2 nm and specific surface area of 712 m(2) g(-1) were found. The OMC sample was subjected to a complex electrochemical testing in order to check for its applicability in various energy conversion processes. For pure OMC, the charge storage properties and kinetics of oxygen reduction reaction (ORR) in alkaline solution were measured. The OMC sample delivered specific capacitance of 232 F g(-1) at 5 mV s(-1) with 83.6% capacitance retained at 100 mV s(-1). Effective ORR electrocatalysis by OMC in alkaline media was evidenced, with onset potential amounting to -0.10 V vs. saturated calomel electrode. A part of the OMC sample was used as a support of Pt nanoparticles, and examined as electrocatalyst for hydrogen evolution reaction (HOR) and ORR in acidic media. Reversible HOR kinetics was observed, while ORR performances were found to be competitive to the ones on other carbon-supported Pt electrocatalysts reported so far. A superb electrochemical behavior was correlated to physico-chemical properties of OMC. Described OMC stands out as a highly versatile material, which can be used to replace carbon materials developed for specific purposes, allowing rationalization of carbon-based technologies aimed for energy conversion purposes. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Electrochimica Acta
T1  - Complex electrochemical investigation of ordered mesoporous carbon synthesized by soft-templating method: charge storage and electrocatalytical or Pt-electrocatalyst supporting behavior
VL  - 125
SP  - 606
EP  - 614
DO  - 10.1016/j.electacta.2014.01.152
ER  - 
@article{
author = "Momčilović, Milan Z. and Stojmenović, Marija and Gavrilov, Nemanja M. and Pašti, Igor A. and Mentus, Slavko V. and Babić, Biljana M.",
year = "2014",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5983",
abstract = "Ordered mesoporous carbon (OMC) was synthesized by an evaporation induced self-assembly method; under acidic conditions, with resorcinol as the carbon precursor and Pluronic F127 triblock copolymer (EO106PO70EO106) as a structure directing agent. The obtained OMC product was characterized by N-2 sorptometry, X-ray diffractometry and Raman spectroscopy. The mean pore radius of 2 nm and specific surface area of 712 m(2) g(-1) were found. The OMC sample was subjected to a complex electrochemical testing in order to check for its applicability in various energy conversion processes. For pure OMC, the charge storage properties and kinetics of oxygen reduction reaction (ORR) in alkaline solution were measured. The OMC sample delivered specific capacitance of 232 F g(-1) at 5 mV s(-1) with 83.6% capacitance retained at 100 mV s(-1). Effective ORR electrocatalysis by OMC in alkaline media was evidenced, with onset potential amounting to -0.10 V vs. saturated calomel electrode. A part of the OMC sample was used as a support of Pt nanoparticles, and examined as electrocatalyst for hydrogen evolution reaction (HOR) and ORR in acidic media. Reversible HOR kinetics was observed, while ORR performances were found to be competitive to the ones on other carbon-supported Pt electrocatalysts reported so far. A superb electrochemical behavior was correlated to physico-chemical properties of OMC. Described OMC stands out as a highly versatile material, which can be used to replace carbon materials developed for specific purposes, allowing rationalization of carbon-based technologies aimed for energy conversion purposes. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Electrochimica Acta",
title = "Complex electrochemical investigation of ordered mesoporous carbon synthesized by soft-templating method: charge storage and electrocatalytical or Pt-electrocatalyst supporting behavior",
volume = "125",
pages = "606-614",
doi = "10.1016/j.electacta.2014.01.152"
}
Momčilović, M. Z., Stojmenović, M., Gavrilov, N. M., Pašti, I. A., Mentus, S. V.,& Babić, B. M. (2014). Complex electrochemical investigation of ordered mesoporous carbon synthesized by soft-templating method: charge storage and electrocatalytical or Pt-electrocatalyst supporting behavior.
Electrochimica Acta, 125, 606-614.
https://doi.org/10.1016/j.electacta.2014.01.152
Momčilović MZ, Stojmenović M, Gavrilov NM, Pašti IA, Mentus SV, Babić BM. Complex electrochemical investigation of ordered mesoporous carbon synthesized by soft-templating method: charge storage and electrocatalytical or Pt-electrocatalyst supporting behavior. Electrochimica Acta. 2014;125:606-614
Momčilović Milan Z., Stojmenović Marija, Gavrilov Nemanja M., Pašti Igor A., Mentus Slavko V., Babić Biljana M., "Complex electrochemical investigation of ordered mesoporous carbon synthesized by soft-templating method: charge storage and electrocatalytical or Pt-electrocatalyst supporting behavior" Electrochimica Acta, 125 (2014):606-614,
https://doi.org/10.1016/j.electacta.2014.01.152 .
19
17
20

On the tungsten carbide synthesis for PEM fuel cell application - Problems, challenges and advantages

Nikolić, Vladimir M.; Perović, Ivana M.; Gavrilov, Nemanja M.; Pašti, Igor A.; Šaponjić, Aleksandra; Vulic, Predrag J.; Karic, Slavko D.; Babić, Biljana M.; Marčeta Kaninski, Milica

(2014)

TY  - JOUR
AU  - Nikolić, Vladimir M.
AU  - Perović, Ivana M.
AU  - Gavrilov, Nemanja M.
AU  - Pašti, Igor A.
AU  - Šaponjić, Aleksandra
AU  - Vulic, Predrag J.
AU  - Karic, Slavko D.
AU  - Babić, Biljana M.
AU  - Marčeta Kaninski, Milica
PY  - 2014
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/6072
AB  - Fuel cell application of tungsten carbide is revisited starting with four different tungsten carbide precursors used for high temperature synthesis. It was shown that the final products greatly depend on the nature of the precursor. Using tungsten peroxide/2-propanol derived precursor almost pure WC was obtained which was subjected to further electrochemical investigation. It was shown that it is necessary to decorate WC with Pt nanoparticles in order to obtain satisfactory fuel cell performance, but catalytic activity of Pt/WC anode catalyst is not expected to overcome the activity of Pt/C. It is argued that new synthetic routes for the preparation of WC should be directed towards obtaining highly dispersed WC, that is, WC with high external surface area available for Pt deposition, rather than high specific surface area WC with large contribution of micropores having no importance when it comes to the use of WC as a catalyst support. The true benefit of the use of WC as catalyst support is found in increased CO tolerance/CO oxidation activity of WC-supported Pt catalysts. Qualitative mechanistic view on increased CO oxidation activity of Pt/WC is offered. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
T2  - International Journal of Hydrogen Energy
T1  - On the tungsten carbide synthesis for PEM fuel cell application - Problems, challenges and advantages
VL  - 39
IS  - 21
SP  - 11175
EP  - 11185
DO  - 10.1016/j.ijhydene.2014.05.078
ER  - 
@article{
author = "Nikolić, Vladimir M. and Perović, Ivana M. and Gavrilov, Nemanja M. and Pašti, Igor A. and Šaponjić, Aleksandra and Vulic, Predrag J. and Karic, Slavko D. and Babić, Biljana M. and Marčeta Kaninski, Milica",
year = "2014",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/6072",
abstract = "Fuel cell application of tungsten carbide is revisited starting with four different tungsten carbide precursors used for high temperature synthesis. It was shown that the final products greatly depend on the nature of the precursor. Using tungsten peroxide/2-propanol derived precursor almost pure WC was obtained which was subjected to further electrochemical investigation. It was shown that it is necessary to decorate WC with Pt nanoparticles in order to obtain satisfactory fuel cell performance, but catalytic activity of Pt/WC anode catalyst is not expected to overcome the activity of Pt/C. It is argued that new synthetic routes for the preparation of WC should be directed towards obtaining highly dispersed WC, that is, WC with high external surface area available for Pt deposition, rather than high specific surface area WC with large contribution of micropores having no importance when it comes to the use of WC as a catalyst support. The true benefit of the use of WC as catalyst support is found in increased CO tolerance/CO oxidation activity of WC-supported Pt catalysts. Qualitative mechanistic view on increased CO oxidation activity of Pt/WC is offered. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.",
journal = "International Journal of Hydrogen Energy",
title = "On the tungsten carbide synthesis for PEM fuel cell application - Problems, challenges and advantages",
volume = "39",
number = "21",
pages = "11175-11185",
doi = "10.1016/j.ijhydene.2014.05.078"
}
Nikolić, V. M., Perović, I. M., Gavrilov, N. M., Pašti, I. A., Šaponjić, A., Vulic, P. J., Karic, S. D., Babić, B. M.,& Marčeta Kaninski, M. (2014). On the tungsten carbide synthesis for PEM fuel cell application - Problems, challenges and advantages.
International Journal of Hydrogen Energy, 39(21), 11175-11185.
https://doi.org/10.1016/j.ijhydene.2014.05.078
Nikolić VM, Perović IM, Gavrilov NM, Pašti IA, Šaponjić A, Vulic PJ, Karic SD, Babić BM, Marčeta Kaninski M. On the tungsten carbide synthesis for PEM fuel cell application - Problems, challenges and advantages. International Journal of Hydrogen Energy. 2014;39(21):11175-11185
Nikolić Vladimir M., Perović Ivana M., Gavrilov Nemanja M., Pašti Igor A., Šaponjić Aleksandra, Vulic Predrag J., Karic Slavko D., Babić Biljana M., Marčeta Kaninski Milica, "On the tungsten carbide synthesis for PEM fuel cell application - Problems, challenges and advantages" International Journal of Hydrogen Energy, 39, no. 21 (2014):11175-11185,
https://doi.org/10.1016/j.ijhydene.2014.05.078 .
3
18
19
19

Electrochemical oxidation of diazinon in aqueous solutions via electrogenerated halogens - Diazinon fate and implications for its detection

Lazarević-Pašti, Tamara; Bondžić, Aleksandra; Pašti, Igor A.; Mentus, Slavko V.; Vasić, Vesna M.

(2013)

TY  - JOUR
AU  - Lazarević-Pašti, Tamara
AU  - Bondžić, Aleksandra
AU  - Pašti, Igor A.
AU  - Mentus, Slavko V.
AU  - Vasić, Vesna M.
PY  - 2013
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5410
AB  - Organophosphorous pesticide diazinon was indirectly oxidized to diazoxon by means of electrogenerated Cl-2, Br-2 or I-2 under galvanostatic conditions using rotating glassy carbon disk electrode. The rate of oxidation was the highest in the case of electrogenerated Br-2. In the presence of electrogenerated Br-2 diazinon was completely converted to diazoxon after 15 min of electrochemical treatment at all concentrations investigated. On the basis of thermodynamic and kinetic arguments it was showed that diazinon oxidation is governed by both kinetics and speciation of halogen species. Diazoxon is rapidly formed during its reaction with active oxidant species, while formed diazoxon is being stable and not degraded at appreciable rate by reactive halogen species. Described oxidation procedure was used as a pre-step for diazinon detection using AChE test coupled with optical detection. Diazinon detection limit was reduced by three orders of magnitude compared to unoxidized diazinon. This enabled diazinon detection at the lowest possible concentration using described methodology, as determined by diazoxon detection limit. (C) 2013 Elsevier B.V. All rights reserved.
T2  - Journal of Electroanalytical Chemistry
T1  - Electrochemical oxidation of diazinon in aqueous solutions via electrogenerated halogens - Diazinon fate and implications for its detection
VL  - 692
SP  - 40
EP  - 45
DO  - 10.1016/j.jelechem.2013.01.005
ER  - 
@article{
author = "Lazarević-Pašti, Tamara and Bondžić, Aleksandra and Pašti, Igor A. and Mentus, Slavko V. and Vasić, Vesna M.",
year = "2013",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5410",
abstract = "Organophosphorous pesticide diazinon was indirectly oxidized to diazoxon by means of electrogenerated Cl-2, Br-2 or I-2 under galvanostatic conditions using rotating glassy carbon disk electrode. The rate of oxidation was the highest in the case of electrogenerated Br-2. In the presence of electrogenerated Br-2 diazinon was completely converted to diazoxon after 15 min of electrochemical treatment at all concentrations investigated. On the basis of thermodynamic and kinetic arguments it was showed that diazinon oxidation is governed by both kinetics and speciation of halogen species. Diazoxon is rapidly formed during its reaction with active oxidant species, while formed diazoxon is being stable and not degraded at appreciable rate by reactive halogen species. Described oxidation procedure was used as a pre-step for diazinon detection using AChE test coupled with optical detection. Diazinon detection limit was reduced by three orders of magnitude compared to unoxidized diazinon. This enabled diazinon detection at the lowest possible concentration using described methodology, as determined by diazoxon detection limit. (C) 2013 Elsevier B.V. All rights reserved.",
journal = "Journal of Electroanalytical Chemistry",
title = "Electrochemical oxidation of diazinon in aqueous solutions via electrogenerated halogens - Diazinon fate and implications for its detection",
volume = "692",
pages = "40-45",
doi = "10.1016/j.jelechem.2013.01.005"
}
Lazarević-Pašti, T., Bondžić, A., Pašti, I. A., Mentus, S. V.,& Vasić, V. M. (2013). Electrochemical oxidation of diazinon in aqueous solutions via electrogenerated halogens - Diazinon fate and implications for its detection.
Journal of Electroanalytical Chemistry, 692, 40-45.
https://doi.org/10.1016/j.jelechem.2013.01.005
Lazarević-Pašti T, Bondžić A, Pašti IA, Mentus SV, Vasić VM. Electrochemical oxidation of diazinon in aqueous solutions via electrogenerated halogens - Diazinon fate and implications for its detection. Journal of Electroanalytical Chemistry. 2013;692:40-45
Lazarević-Pašti Tamara, Bondžić Aleksandra, Pašti Igor A., Mentus Slavko V., Vasić Vesna M., "Electrochemical oxidation of diazinon in aqueous solutions via electrogenerated halogens - Diazinon fate and implications for its detection" Journal of Electroanalytical Chemistry, 692 (2013):40-45,
https://doi.org/10.1016/j.jelechem.2013.01.005 .
15
14
19

DFT study of platinum and palladium overlayers on tungsten carbide: Structure and electrocatalytic activity toward hydrogen oxidation/evolution reaction

Vasić, Dragana D.; Pašti, Igor A.; Mentus, Slavko V.

(2013)

TY  - JOUR
AU  - Vasić, Dragana D.
AU  - Pašti, Igor A.
AU  - Mentus, Slavko V.
PY  - 2013
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5455
AB  - Platinum and palladium overlayers on W- and C-terminated WC(0001) surface, at coverage ranging from 0.25 ML to 2 ML, have been studied using DFT approach. Strong adhesion of metal monolayers to the WC support, accompanied by a modification of electronic structure, was evidenced. Calculated values of hydrogen binding energy on studied metal overlayers were correlated to available experimentally determined values of exchange current densities of hydrogen oxidation/evolution reaction (HOR/HER), resulting with the volcano curve with both explanatory and predictive power. None of the investigated metal/WC surfaces were found to exceed the Pt(111) surface in terms of catalytic activity toward HER/HOR. The obtained results indicate that WC may efficiently replace the precious metal support in the Pt (Pd) core-shell electrocatalyst for HER/HOR, but no synergism arising due to electronic effects of WC support was evidenced. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
T2  - International Journal of Hydrogen Energy
T1  - DFT study of platinum and palladium overlayers on tungsten carbide: Structure and electrocatalytic activity toward hydrogen oxidation/evolution reaction
VL  - 38
IS  - 12
SP  - 5009
EP  - 5018
DO  - 10.1016/j.ijhydene.2013.02.020
ER  - 
@article{
author = "Vasić, Dragana D. and Pašti, Igor A. and Mentus, Slavko V.",
year = "2013",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5455",
abstract = "Platinum and palladium overlayers on W- and C-terminated WC(0001) surface, at coverage ranging from 0.25 ML to 2 ML, have been studied using DFT approach. Strong adhesion of metal monolayers to the WC support, accompanied by a modification of electronic structure, was evidenced. Calculated values of hydrogen binding energy on studied metal overlayers were correlated to available experimentally determined values of exchange current densities of hydrogen oxidation/evolution reaction (HOR/HER), resulting with the volcano curve with both explanatory and predictive power. None of the investigated metal/WC surfaces were found to exceed the Pt(111) surface in terms of catalytic activity toward HER/HOR. The obtained results indicate that WC may efficiently replace the precious metal support in the Pt (Pd) core-shell electrocatalyst for HER/HOR, but no synergism arising due to electronic effects of WC support was evidenced. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.",
journal = "International Journal of Hydrogen Energy",
title = "DFT study of platinum and palladium overlayers on tungsten carbide: Structure and electrocatalytic activity toward hydrogen oxidation/evolution reaction",
volume = "38",
number = "12",
pages = "5009-5018",
doi = "10.1016/j.ijhydene.2013.02.020"
}
Vasić, D. D., Pašti, I. A.,& Mentus, S. V. (2013). DFT study of platinum and palladium overlayers on tungsten carbide: Structure and electrocatalytic activity toward hydrogen oxidation/evolution reaction.
International Journal of Hydrogen Energy, 38(12), 5009-5018.
https://doi.org/10.1016/j.ijhydene.2013.02.020
Vasić DD, Pašti IA, Mentus SV. DFT study of platinum and palladium overlayers on tungsten carbide: Structure and electrocatalytic activity toward hydrogen oxidation/evolution reaction. International Journal of Hydrogen Energy. 2013;38(12):5009-5018
Vasić Dragana D., Pašti Igor A., Mentus Slavko V., "DFT study of platinum and palladium overlayers on tungsten carbide: Structure and electrocatalytic activity toward hydrogen oxidation/evolution reaction" International Journal of Hydrogen Energy, 38, no. 12 (2013):5009-5018,
https://doi.org/10.1016/j.ijhydene.2013.02.020 .
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The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline

Gavrilov, Nemanja M.; Pašti, Igor A.; Krstić, Jugoslav B.; Mitrić, Miodrag; Ćirić-Marjanović, Gordana N.; Mentus, Slavko V.

(2013)

TY  - JOUR
AU  - Gavrilov, Nemanja M.
AU  - Pašti, Igor A.
AU  - Krstić, Jugoslav B.
AU  - Mitrić, Miodrag
AU  - Ćirić-Marjanović, Gordana N.
AU  - Mentus, Slavko V.
PY  - 2013
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5721
AB  - Single phase tungsten carbide nanoparticles (WC-NPs), (mean particle diameter 5.4 nm), distributed over carbonized polyaniline (C-PANT) nanotubes/nanosheets were synthesized by a solid state reaction between WO3 and nitrogen-rich carbonized polyaniline at 1000 degrees C in a reducing atmosphere. The resulting composite was characterized by X-ray diffractometry, electron microscopy, thermogravimetry in oxidizing and reduction atmospheres and elemental analysis. We suggested that the synthesis of WC as a single phase was facilitated by reactive C atoms with dangling bonds, formed upon nitrogen removal. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline
VL  - 39
IS  - 8
SP  - 8761
EP  - 8765
DO  - 10.1016/j.ceramint.2013.04.062
ER  - 
@article{
author = "Gavrilov, Nemanja M. and Pašti, Igor A. and Krstić, Jugoslav B. and Mitrić, Miodrag and Ćirić-Marjanović, Gordana N. and Mentus, Slavko V.",
year = "2013",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5721",
abstract = "Single phase tungsten carbide nanoparticles (WC-NPs), (mean particle diameter 5.4 nm), distributed over carbonized polyaniline (C-PANT) nanotubes/nanosheets were synthesized by a solid state reaction between WO3 and nitrogen-rich carbonized polyaniline at 1000 degrees C in a reducing atmosphere. The resulting composite was characterized by X-ray diffractometry, electron microscopy, thermogravimetry in oxidizing and reduction atmospheres and elemental analysis. We suggested that the synthesis of WC as a single phase was facilitated by reactive C atoms with dangling bonds, formed upon nitrogen removal. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline",
volume = "39",
number = "8",
pages = "8761-8765",
doi = "10.1016/j.ceramint.2013.04.062"
}
Gavrilov, N. M., Pašti, I. A., Krstić, J. B., Mitrić, M., Ćirić-Marjanović, G. N.,& Mentus, S. V. (2013). The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline.
Ceramics International, 39(8), 8761-8765.
https://doi.org/10.1016/j.ceramint.2013.04.062
Gavrilov NM, Pašti IA, Krstić JB, Mitrić M, Ćirić-Marjanović GN, Mentus SV. The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline. Ceramics International. 2013;39(8):8761-8765
Gavrilov Nemanja M., Pašti Igor A., Krstić Jugoslav B., Mitrić Miodrag, Ćirić-Marjanović Gordana N., Mentus Slavko V., "The synthesis of single phase WC nanoparticles/C composite by solid state reaction involving nitrogen-rich carbonized polyaniline" Ceramics International, 39, no. 8 (2013):8761-8765,
https://doi.org/10.1016/j.ceramint.2013.04.062 .
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DFT study of interaction of O, O-2, and OH with unreconstructed Pt(hkl) (h, k, l=0, 1) surfaces-similarities, differences, and universalities

Vasic, D.; Pašti, Igor A.; Gavrilov, Nemanja M.; Mentus, Slavko V.

(2013)

TY  - JOUR
AU  - Vasic, D.
AU  - Pašti, Igor A.
AU  - Gavrilov, Nemanja M.
AU  - Mentus, Slavko V.
PY  - 2013
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/5750
AB  - Adsorption of O, O-2, and OH on Pt(111), Pt(100), and Pt(110) surfaces was studied using periodic DFT calculations. It was found that generally adsorbate-surface interaction strengths increase with the decrease in surface packing density. On the Pt(111) surface the dissociation of O-2 molecule was not predicted, but it was predicted on Pt(100) and Pt(110) surfaces. While the strength of the adsorbate-substrate interaction decreases with the rise in surface coverage by O atoms, in the case of OH adsorption adsorbate layer gets stabilized at higher surface coverage through the hydrogen bonding. In spite of all the mentioned differences, single parameter of surface electronic structure was identified, being useful for the explanation of the adsorption trends at different adsorption sites for O and OH adsorption on Pt surfaces of various crystallographic orientations and also provided a deeper understanding of atomic oxygen adsorption as a function of surface coverage.
T2  - Russian Journal of Physical Chemistry A
T1  - DFT study of interaction of O, O-2, and OH with unreconstructed Pt(hkl) (h, k, l=0, 1) surfaces-similarities, differences, and universalities
VL  - 87
IS  - 13
SP  - 2214
EP  - 2218
DO  - 10.1134/S0036024413130256
ER  - 
@article{
author = "Vasic, D. and Pašti, Igor A. and Gavrilov, Nemanja M. and Mentus, Slavko V.",
year = "2013",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/5750",
abstract = "Adsorption of O, O-2, and OH on Pt(111), Pt(100), and Pt(110) surfaces was studied using periodic DFT calculations. It was found that generally adsorbate-surface interaction strengths increase with the decrease in surface packing density. On the Pt(111) surface the dissociation of O-2 molecule was not predicted, but it was predicted on Pt(100) and Pt(110) surfaces. While the strength of the adsorbate-substrate interaction decreases with the rise in surface coverage by O atoms, in the case of OH adsorption adsorbate layer gets stabilized at higher surface coverage through the hydrogen bonding. In spite of all the mentioned differences, single parameter of surface electronic structure was identified, being useful for the explanation of the adsorption trends at different adsorption sites for O and OH adsorption on Pt surfaces of various crystallographic orientations and also provided a deeper understanding of atomic oxygen adsorption as a function of surface coverage.",
journal = "Russian Journal of Physical Chemistry A",
title = "DFT study of interaction of O, O-2, and OH with unreconstructed Pt(hkl) (h, k, l=0, 1) surfaces-similarities, differences, and universalities",
volume = "87",
number = "13",
pages = "2214-2218",
doi = "10.1134/S0036024413130256"
}
Vasic, D., Pašti, I. A., Gavrilov, N. M.,& Mentus, S. V. (2013). DFT study of interaction of O, O-2, and OH with unreconstructed Pt(hkl) (h, k, l=0, 1) surfaces-similarities, differences, and universalities.
Russian Journal of Physical Chemistry A, 87(13), 2214-2218.
https://doi.org/10.1134/S0036024413130256
Vasic D, Pašti IA, Gavrilov NM, Mentus SV. DFT study of interaction of O, O-2, and OH with unreconstructed Pt(hkl) (h, k, l=0, 1) surfaces-similarities, differences, and universalities. Russian Journal of Physical Chemistry A. 2013;87(13):2214-2218
Vasic D., Pašti Igor A., Gavrilov Nemanja M., Mentus Slavko V., "DFT study of interaction of O, O-2, and OH with unreconstructed Pt(hkl) (h, k, l=0, 1) surfaces-similarities, differences, and universalities" Russian Journal of Physical Chemistry A, 87, no. 13 (2013):2214-2218,
https://doi.org/10.1134/S0036024413130256 .
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