Photoelectrocatalytic properties of TiO2/ATO composite films
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- 作者：Hualan Zhou ; Jie Ge ; Meihong Zhang ; Shuai Yuan
- 关键词：Photoelectrocatalysis ; TiO2 ; Antimony ; doped tin oxide ; Nanocrystal ; Mesoporous film
- 刊名：Research on Chemical Intermediates
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：42
- 期：3
- 页码：1929-1941
- 全文大小：1,296 KB
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Jie Ge (2)
Meihong Zhang (2)
Shuai Yuan (2)
1. School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People’s Republic of China
2. Research Center of Nanoscience and Nanotechnology, Shanghai University, 99 Shangda Road, Shanghai, 200444, People’s Republic of China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Catalysis
Physical Chemistry
Inorganic Chemistry - 出版者：Springer Netherlands
- ISSN：1568-5675
文摘
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.