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TiO2/WO3 photocatalytic composite coatings prepared by spray pyrolysis

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Authors
Grbic, Bosko
Radić, Nenad
Stojadinovic, Stevan
Vasilic, Rastko
Dohčević-Mitrović, Zorana
Šaponjić, Zoran
Stefanov, Plamen
Article (Published version)
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Abstract
TiO2/WO3 composites supported on a stainless steel foil were prepared by the spray pyrolysis technique. Content of WO3 was gradually increased from 1 wt% to 100 wt.%, while the coating thickness was limited to about 1 pm. The coatings were characterized by X-ray diffraction, scanning electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. The photocatalytic activity of obtained coatings was investigated by degradation of methyl orange, used as model pollutant. The results show that with increasing WO3 content up to 10 wt.% photoactivity increases as result of better charge separation that could effectively prevent the recombination of photogenerated electrons and holes. Further increase of WO3 content led to decrease of photoactivity. (C) 2014 Elsevier B.V. All rights reserved.
Keywords:
Photocatalysis / Spray pyrolysis / Coatings / TiO2/WO3 composites
Source:
Surface and Coatings Technology, 2014, 258, 763-771
Funding / projects:
  • Graphitic and Inorganic Low-dimensional Nanostructures (RS-171035)
  • The development of efficient chemical-engineering processes based on the transport phenomena research and process intensification principles (RS-172022)
  • Chemical and structural designing of nanomaterials for application in medicine and tissue engineering (RS-172026)

DOI: 10.1016/j.surfcoat.2014.07.082

ISSN: 0257-8972

WoS: 000346895000093

Scopus: 2-s2.0-84912520637
[ Google Scholar ]
32
30
URI
https://vinar.vin.bg.ac.rs/handle/123456789/315
Collections
  • WoS Import
Institution/Community
Vinča
TY  - JOUR
AU  - Grbic, Bosko
AU  - Radić, Nenad
AU  - Stojadinovic, Stevan
AU  - Vasilic, Rastko
AU  - Dohčević-Mitrović, Zorana 
AU  - Šaponjić, Zoran
AU  - Stefanov, Plamen
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/315
AB  - TiO2/WO3 composites supported on a stainless steel foil were prepared by the spray pyrolysis technique. Content of WO3 was gradually increased from 1 wt% to 100 wt.%, while the coating thickness was limited to about 1 pm. The coatings were characterized by X-ray diffraction, scanning electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. The photocatalytic activity of obtained coatings was investigated by degradation of methyl orange, used as model pollutant. The results show that with increasing WO3 content up to 10 wt.% photoactivity increases as result of better charge separation that could effectively prevent the recombination of photogenerated electrons and holes. Further increase of WO3 content led to decrease of photoactivity. (C) 2014 Elsevier B.V. All rights reserved.
T2  - Surface and Coatings Technology
T1  - TiO2/WO3 photocatalytic composite coatings prepared by spray pyrolysis
VL  - 258
SP  - 763
EP  - 771
DO  - 10.1016/j.surfcoat.2014.07.082
ER  - 
@article{
author = "Grbic, Bosko and Radić, Nenad and Stojadinovic, Stevan and Vasilic, Rastko and Dohčević-Mitrović, Zorana  and Šaponjić, Zoran and Stefanov, Plamen",
year = "2014",
abstract = "TiO2/WO3 composites supported on a stainless steel foil were prepared by the spray pyrolysis technique. Content of WO3 was gradually increased from 1 wt% to 100 wt.%, while the coating thickness was limited to about 1 pm. The coatings were characterized by X-ray diffraction, scanning electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. The photocatalytic activity of obtained coatings was investigated by degradation of methyl orange, used as model pollutant. The results show that with increasing WO3 content up to 10 wt.% photoactivity increases as result of better charge separation that could effectively prevent the recombination of photogenerated electrons and holes. Further increase of WO3 content led to decrease of photoactivity. (C) 2014 Elsevier B.V. All rights reserved.",
journal = "Surface and Coatings Technology",
title = "TiO2/WO3 photocatalytic composite coatings prepared by spray pyrolysis",
volume = "258",
pages = "763-771",
doi = "10.1016/j.surfcoat.2014.07.082"
}
Grbic, B., Radić, N., Stojadinovic, S., Vasilic, R., Dohčević-Mitrović, Z., Šaponjić, Z.,& Stefanov, P.. (2014). TiO2/WO3 photocatalytic composite coatings prepared by spray pyrolysis. in Surface and Coatings Technology, 258, 763-771.
https://doi.org/10.1016/j.surfcoat.2014.07.082
Grbic B, Radić N, Stojadinovic S, Vasilic R, Dohčević-Mitrović Z, Šaponjić Z, Stefanov P. TiO2/WO3 photocatalytic composite coatings prepared by spray pyrolysis. in Surface and Coatings Technology. 2014;258:763-771.
doi:10.1016/j.surfcoat.2014.07.082 .
Grbic, Bosko, Radić, Nenad, Stojadinovic, Stevan, Vasilic, Rastko, Dohčević-Mitrović, Zorana , Šaponjić, Zoran, Stefanov, Plamen, "TiO2/WO3 photocatalytic composite coatings prepared by spray pyrolysis" in Surface and Coatings Technology, 258 (2014):763-771,
https://doi.org/10.1016/j.surfcoat.2014.07.082 . .

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