Photoelectrocatalytic properties of TiO2/ATO composite films

Photoelectrocatalytic properties of TiO2/ATO composite films Mesoporous composite films of titania (TiO2) and antimony-doped tin oxide (ATO) were prepared on titanium plate substrates from pastes by the doctor-blade method. The photoelectrochemical properties of the samples with different ATO contents were investigated by the degradation of methylene blue under UV light irradiation. It was found that the photocatalytic activity of TiO2 was significantly improved with the help of the introduction of ATO nanocrystals and a forward bias. The synergetic effect of ATO and bias was analyzed by electrochemical impedance spectra (EIS). The EIS analysis results demonstrated that the separation of photogenerated electron–hole pairs can be efficiently enhanced by introducing ATO nanoparticles and applying an external bias. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Photoelectrocatalytic properties of TiO2/ATO composite films

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-015-2126-y
Publisher site
See Article on Publisher Site

Abstract

Mesoporous composite films of titania (TiO2) and antimony-doped tin oxide (ATO) were prepared on titanium plate substrates from pastes by the doctor-blade method. The photoelectrochemical properties of the samples with different ATO contents were investigated by the degradation of methylene blue under UV light irradiation. It was found that the photocatalytic activity of TiO2 was significantly improved with the help of the introduction of ATO nanocrystals and a forward bias. The synergetic effect of ATO and bias was analyzed by electrochemical impedance spectra (EIS). The EIS analysis results demonstrated that the separation of photogenerated electron–hole pairs can be efficiently enhanced by introducing ATO nanoparticles and applying an external bias.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jul 26, 2015

References

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