TY  - JOUR
AU  - Đorđević, Vesna R.
AU  - Nikolić, Marko G.
AU  - Antić, Željka
AU  - Mitrić, Miodrag
AU  - Dramićanin, Miroslav
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6922
AB  - Samarium doped LaYO3 nanocrystalline phosphor powders are obtained by polymer complex solution method. Stoichiometric quantities of La2O3, Y2O3 and for dopant ions Sm2O3 were dissolved in hot nitric acid. Polyethylene glycol was added in solutions in 1:1 mass ratio to corresponding metal nitrates to form gel. The gel is combusted and annealed at 800 degrees C for two hours to form nanopowder samples. Crystalline structure and phase purity is checked by X-ray diffraction and show that this material is synthesized in cubic bixbyite type structure for the first time. Luminescence properties of Sm3+ doped LaYOL3 exhibited characteristic orange-red emission coming from the intra-4f-shell (4)G(5/2) - GT H-6(J) electron transitions with emission decay of 1.5 ms. Energy level positions are derived from emission and excitation spectra.
T2  - Acta Physica Polonica A
T1  - LaYO3:Sm3+ Nanocrystalline Phosphor: Preparation and Emission Properties
VL  - 120
IS  - 2
SP  - 303
EP  - 305
DO  - 10.12693/APhysPolA.120.303
UR  - https://hdl.handle.net/21.15107/rcub_vinar_6922
ER  - 

@article{
author = "Đorđević, Vesna R. and Nikolić, Marko G. and Antić, Željka and Mitrić, Miodrag and Dramićanin, Miroslav",
year = "2011",
abstract = "Samarium doped LaYO3 nanocrystalline phosphor powders are obtained by polymer complex solution method. Stoichiometric quantities of La2O3, Y2O3 and for dopant ions Sm2O3 were dissolved in hot nitric acid. Polyethylene glycol was added in solutions in 1:1 mass ratio to corresponding metal nitrates to form gel. The gel is combusted and annealed at 800 degrees C for two hours to form nanopowder samples. Crystalline structure and phase purity is checked by X-ray diffraction and show that this material is synthesized in cubic bixbyite type structure for the first time. Luminescence properties of Sm3+ doped LaYOL3 exhibited characteristic orange-red emission coming from the intra-4f-shell (4)G(5/2) - GT H-6(J) electron transitions with emission decay of 1.5 ms. Energy level positions are derived from emission and excitation spectra.",
journal = "Acta Physica Polonica A",
title = "LaYO3:Sm3+ Nanocrystalline Phosphor: Preparation and Emission Properties",
volume = "120",
number = "2",
pages = "303-305",
doi = "10.12693/APhysPolA.120.303",
url = "https://hdl.handle.net/21.15107/rcub_vinar_6922"
}

Đorđević, V. R., Nikolić, M. G., Antić, Ž., Mitrić, M.,& Dramićanin, M.. (2011). LaYO3:Sm3+ Nanocrystalline Phosphor: Preparation and Emission Properties. in Acta Physica Polonica A, 120(2), 303-305.
https://doi.org/10.12693/APhysPolA.120.303
https://hdl.handle.net/21.15107/rcub_vinar_6922

Đorđević VR, Nikolić MG, Antić Ž, Mitrić M, Dramićanin M. LaYO3:Sm3+ Nanocrystalline Phosphor: Preparation and Emission Properties. in Acta Physica Polonica A. 2011;120(2):303-305.
doi:10.12693/APhysPolA.120.303
https://hdl.handle.net/21.15107/rcub_vinar_6922 .

Đorđević, Vesna R., Nikolić, Marko G., Antić, Željka, Mitrić, Miodrag, Dramićanin, Miroslav, "LaYO3:Sm3+ Nanocrystalline Phosphor: Preparation and Emission Properties" in Acta Physica Polonica A, 120, no. 2 (2011):303-305,
https://doi.org/10.12693/APhysPolA.120.303 .,
https://hdl.handle.net/21.15107/rcub_vinar_6922 .

TY  - JOUR
AU  - Antić, Željka
AU  - Krsmanović, Radenka
AU  - Marinović-Cincović, Milena
AU  - Dramićanin, Miroslav
PY  - 2010
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6872
AB  - In recent years there is an increasing interest in obtaining and investigating composite materials that comprise nanoparticles as fillers and polymers as matrix. Such composites may display combined features of both components, and sometimes even novel properties resulting from their mutual interactions. It is important that both unique size-dependent properties of nanoparticles and favorable properties of polymer material remain preserved in the composite. In this research we investigated the possibility of obtaining composite material using as polymer matrix poly (methyl methacrylate) - PMMA and Gd2O3:Eu3+ nanopowder as filler. Three samples, containing 1, 3 and 5 mass % of Gd2O3:Eu3+, are prepared with a dispersion casting method. The composites exhibited characteristic red emission coming from the D-5(0) - GT F-7(2) transition of Eu3+ ion in Gd2O3:Eu3+. The observed lifetime values, around 1.1 ms, are quite high and suggest successful encapsulation of dopant ions in polymer through gadolinium oxide host. Experimental intensity parameters, transition rates and quantum efficiency of the D-5(0) emission are calculated from emission spectra using Judd-Ofelt theory. Influence of Gd2O3:Eu3+ filler on the modification of glass transition and thermo-degradable properties of the polymer matrix is also investigated. Thermal analyses give evidence of unchanged thermal stability of polymer phase in the composites.
T2  - Acta Physica Polonica A
T1  - Gd2O3:Eu3+/PMMA Composite: Thermal and Luminescence Properties
VL  - 117
IS  - 5
SP  - 831
EP  - 836
DO  - 10.12693%2FAPhysPolA.117.831
UR  - https://hdl.handle.net/21.15107/rcub_vinar_6872
ER  - 

@article{
author = "Antić, Željka and Krsmanović, Radenka and Marinović-Cincović, Milena and Dramićanin, Miroslav",
year = "2010",
abstract = "In recent years there is an increasing interest in obtaining and investigating composite materials that comprise nanoparticles as fillers and polymers as matrix. Such composites may display combined features of both components, and sometimes even novel properties resulting from their mutual interactions. It is important that both unique size-dependent properties of nanoparticles and favorable properties of polymer material remain preserved in the composite. In this research we investigated the possibility of obtaining composite material using as polymer matrix poly (methyl methacrylate) - PMMA and Gd2O3:Eu3+ nanopowder as filler. Three samples, containing 1, 3 and 5 mass % of Gd2O3:Eu3+, are prepared with a dispersion casting method. The composites exhibited characteristic red emission coming from the D-5(0) - GT F-7(2) transition of Eu3+ ion in Gd2O3:Eu3+. The observed lifetime values, around 1.1 ms, are quite high and suggest successful encapsulation of dopant ions in polymer through gadolinium oxide host. Experimental intensity parameters, transition rates and quantum efficiency of the D-5(0) emission are calculated from emission spectra using Judd-Ofelt theory. Influence of Gd2O3:Eu3+ filler on the modification of glass transition and thermo-degradable properties of the polymer matrix is also investigated. Thermal analyses give evidence of unchanged thermal stability of polymer phase in the composites.",
journal = "Acta Physica Polonica A",
title = "Gd2O3:Eu3+/PMMA Composite: Thermal and Luminescence Properties",
volume = "117",
number = "5",
pages = "831-836",
doi = "10.12693%2FAPhysPolA.117.831",
url = "https://hdl.handle.net/21.15107/rcub_vinar_6872"
}

Antić, Ž., Krsmanović, R., Marinović-Cincović, M.,& Dramićanin, M.. (2010). Gd2O3:Eu3+/PMMA Composite: Thermal and Luminescence Properties. in Acta Physica Polonica A, 117(5), 831-836.
https://doi.org/10.12693%2FAPhysPolA.117.831
https://hdl.handle.net/21.15107/rcub_vinar_6872

Antić Ž, Krsmanović R, Marinović-Cincović M, Dramićanin M. Gd2O3:Eu3+/PMMA Composite: Thermal and Luminescence Properties. in Acta Physica Polonica A. 2010;117(5):831-836.
doi:10.12693%2FAPhysPolA.117.831
https://hdl.handle.net/21.15107/rcub_vinar_6872 .

Antić, Željka, Krsmanović, Radenka, Marinović-Cincović, Milena, Dramićanin, Miroslav, "Gd2O3:Eu3+/PMMA Composite: Thermal and Luminescence Properties" in Acta Physica Polonica A, 117, no. 5 (2010):831-836,
https://doi.org/10.12693%2FAPhysPolA.117.831 .,
https://hdl.handle.net/21.15107/rcub_vinar_6872 .

TY  - JOUR
AU  - Antić, Željka
AU  - Krsmanović, Radenka
AU  - Đorđević, Vesna R.
AU  - Dramićanin, Tatjana
AU  - Dramićanin, Miroslav
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6846
AB  - In the present work we explored the possibility of obtaining Y2O3:Eu3+ mu m-size particles by an ultrasonic spray pyrolysis method. As-prepared sample constitutes of spherical, hollow particles with an average size of 1 to 2 mu m. Pure, well crystalline, cubic Y2O3 is formed after additional thermal treatment at 800 degrees C for 2 h. A detailed optical investigation has been done with photoluminescence measurements in the energy and time domains. Experimental intensity parameters, transition rates and quantum efficiency of the D-5(0) emission are evaluated on the basis of Judd-Ofelt theory.
T2  - Acta Physica Polonica A
T1  - Optical Properties of Y2O3:Eu3+ Red Emitting Phosphor Obtained via Spray Pyrolysis
VL  - 116
IS  - 4
SP  - 622
EP  - 624
DO  - 10.12693/APhysPolA.116.622
UR  - https://hdl.handle.net/21.15107/rcub_vinar_6846
ER  - 

@article{
author = "Antić, Željka and Krsmanović, Radenka and Đorđević, Vesna R. and Dramićanin, Tatjana and Dramićanin, Miroslav",
year = "2009",
abstract = "In the present work we explored the possibility of obtaining Y2O3:Eu3+ mu m-size particles by an ultrasonic spray pyrolysis method. As-prepared sample constitutes of spherical, hollow particles with an average size of 1 to 2 mu m. Pure, well crystalline, cubic Y2O3 is formed after additional thermal treatment at 800 degrees C for 2 h. A detailed optical investigation has been done with photoluminescence measurements in the energy and time domains. Experimental intensity parameters, transition rates and quantum efficiency of the D-5(0) emission are evaluated on the basis of Judd-Ofelt theory.",
journal = "Acta Physica Polonica A",
title = "Optical Properties of Y2O3:Eu3+ Red Emitting Phosphor Obtained via Spray Pyrolysis",
volume = "116",
number = "4",
pages = "622-624",
doi = "10.12693/APhysPolA.116.622",
url = "https://hdl.handle.net/21.15107/rcub_vinar_6846"
}

Antić, Ž., Krsmanović, R., Đorđević, V. R., Dramićanin, T.,& Dramićanin, M.. (2009). Optical Properties of Y2O3:Eu3+ Red Emitting Phosphor Obtained via Spray Pyrolysis. in Acta Physica Polonica A, 116(4), 622-624.
https://doi.org/10.12693/APhysPolA.116.622
https://hdl.handle.net/21.15107/rcub_vinar_6846

Antić Ž, Krsmanović R, Đorđević VR, Dramićanin T, Dramićanin M. Optical Properties of Y2O3:Eu3+ Red Emitting Phosphor Obtained via Spray Pyrolysis. in Acta Physica Polonica A. 2009;116(4):622-624.
doi:10.12693/APhysPolA.116.622
https://hdl.handle.net/21.15107/rcub_vinar_6846 .

Antić, Željka, Krsmanović, Radenka, Đorđević, Vesna R., Dramićanin, Tatjana, Dramićanin, Miroslav, "Optical Properties of Y2O3:Eu3+ Red Emitting Phosphor Obtained via Spray Pyrolysis" in Acta Physica Polonica A, 116, no. 4 (2009):622-624,
https://doi.org/10.12693/APhysPolA.116.622 .,
https://hdl.handle.net/21.15107/rcub_vinar_6846 .

TY  - JOUR
AU  - Lukić, Svetlana R.
AU  - Petrović, Dragoslav M.
AU  - Đačanin, Ljubica
AU  - Marinović-Cincović, Milena
AU  - Antić, Željka
AU  - Krsmanović, Radenka
AU  - Dramićanin, Miroslav
PY  - 2008
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3556
AB  - We present here the synthesis procedure for obtaining Zn2SiO4:M2+ (M = Mn, Ni, Co) powder based on the combination of so-gel and combustion methods. Combustion is performed both in a conventional furnace and in a microwave oven in order to evaluate the influence of combustion conditions on the properties of synthesized material. X-ray diffraction analysis confirmed that obtained material has crystallized in rhombohedral structure of Zn2SiO4 (willemite) with traces of ZnO. The effects of combustion conditions are investigated further by means of thermogravimetric analysis, differential thermal analysis, infrared spectroscopy, diffuse reflectance optical spectroscopy and photoluminescence spectroscopy. Based on these results we could conclude that microwave combustion synthesis can be successfully applied for Zn2SiO4-based products.
T2  - Journal of Optoelectronics and Advanced Materials
T1  - Gel combustion synthesis of transition metal ions doped Zn2SiO4 powder
VL  - 10
IS  - 10
SP  - 2748
EP  - 2752
UR  - https://hdl.handle.net/21.15107/rcub_vinar_3556
ER  - 

@article{
author = "Lukić, Svetlana R. and Petrović, Dragoslav M. and Đačanin, Ljubica and Marinović-Cincović, Milena and Antić, Željka and Krsmanović, Radenka and Dramićanin, Miroslav",
year = "2008",
abstract = "We present here the synthesis procedure for obtaining Zn2SiO4:M2+ (M = Mn, Ni, Co) powder based on the combination of so-gel and combustion methods. Combustion is performed both in a conventional furnace and in a microwave oven in order to evaluate the influence of combustion conditions on the properties of synthesized material. X-ray diffraction analysis confirmed that obtained material has crystallized in rhombohedral structure of Zn2SiO4 (willemite) with traces of ZnO. The effects of combustion conditions are investigated further by means of thermogravimetric analysis, differential thermal analysis, infrared spectroscopy, diffuse reflectance optical spectroscopy and photoluminescence spectroscopy. Based on these results we could conclude that microwave combustion synthesis can be successfully applied for Zn2SiO4-based products.",
journal = "Journal of Optoelectronics and Advanced Materials",
title = "Gel combustion synthesis of transition metal ions doped Zn2SiO4 powder",
volume = "10",
number = "10",
pages = "2748-2752",
url = "https://hdl.handle.net/21.15107/rcub_vinar_3556"
}

Lukić, S. R., Petrović, D. M., Đačanin, L., Marinović-Cincović, M., Antić, Ž., Krsmanović, R.,& Dramićanin, M.. (2008). Gel combustion synthesis of transition metal ions doped Zn2SiO4 powder. in Journal of Optoelectronics and Advanced Materials, 10(10), 2748-2752.
https://hdl.handle.net/21.15107/rcub_vinar_3556

Lukić SR, Petrović DM, Đačanin L, Marinović-Cincović M, Antić Ž, Krsmanović R, Dramićanin M. Gel combustion synthesis of transition metal ions doped Zn2SiO4 powder. in Journal of Optoelectronics and Advanced Materials. 2008;10(10):2748-2752.
https://hdl.handle.net/21.15107/rcub_vinar_3556 .

Lukić, Svetlana R., Petrović, Dragoslav M., Đačanin, Ljubica, Marinović-Cincović, Milena, Antić, Željka, Krsmanović, Radenka, Dramićanin, Miroslav, "Gel combustion synthesis of transition metal ions doped Zn2SiO4 powder" in Journal of Optoelectronics and Advanced Materials, 10, no. 10 (2008):2748-2752,
https://hdl.handle.net/21.15107/rcub_vinar_3556 .