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Preparation and photocatalyic properties of TiO2-P25 film prepared by spray pyrolysis method

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2013
Authors
Dostanić, Jasmina
Grbić, Boško
Radić, Nenad
Stojadinovic, S.
Vasilic, Rastko
Vuković, Zorica
Article (Published version)
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Abstract
TiO2 films were synthesized by immobilization of Degussa P25 powders on stainless steel support by spray pyrolysis technique. After preparation, the films were annealed at different temperatures in order to obtain materials with different morphological, structural, and textural properties. The photocatalytic activity of obtained films was investigated by monitoring the degradation of arylazo pyridone dye. The results showed that with increasing annealing temperature the photoactivity of films decreased. A comparative photocatalytic activity of the synthesized films and corresponding commercial powders was evaluated under the same experimental conditions. Films generally showed lower photoactivity than powders, due to mass transfer limitations inside film layer, smaller surface exposure to light, and possible presence of metal ions in film layer.
Keywords:
TiO2 film / Photocatalysis / Spray pyrolysis / Photoactivity / Stainless steel
Source:
Applied Surface Science, 2013, 274, 321-327
Publisher:
  • Elsevier Science Bv, Amsterdam
Projects:
  • 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)
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)

DOI: 10.1016/j.apsusc.2013.03.052

ISSN: 0169-4332

WoS: 000318598600050

Scopus: 2-s2.0-84876927098
[ Google Scholar ]
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1332
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IHTM

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