Preparation of Nano sized TiO2/Pt/Glass Thin Films by Sol-gel Method and Their Use in Photoelectric Degradation of Soluble Dye

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (4): 76-79.

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Preparation of Nano sized TiO₂/Pt/Glass Thin Films by Sol-gel Method and Their Use in Photoelectric Degradation of Soluble Dye

Fu Xiaorong¹, Zhang Xiaogang², Song Shigeng¹, Wang Xueyan¹, Tan Hui¹, Tao Mingde ¹

1. Xinjiang Institute of Physics, Chinese Academy of Sciences, Urumqi 830011;
2. Department of Chemistry, Xinjiang University, Urumqi

Received:1996-09-10 Revised:1997-05-13 Published:1997-08-10 Online:1997-08-10

Abstract

Abstract: TiO₂/Pt/glass and TiO₂/glass thin films in nanocrystalline have been prepared by sol-gel method and their structures and elctrochemically assisted photocatalysis have been examined. The results of electrochemically assisted photocatalytic degradation of dye solution by thin films indicate that the photocalytic activities of TiO₂/Pt/glass thin films are higher than that of TiO₂/glass thin films. Also, a more higher photocatalytic activity of TiO₂/Pt/glass thin films can be achieved when an anodic bias is applied, and it increses with the increase of anodic bias. Forthermore, light showed effects on the photocatalytic activity of the thin film.

Key words: photocatalysis, TiO₂, photoelectrochemistry, film, sol-gel method

Fu Xiaorong, Zhang Xiaogang, Song Shigeng, Wang Xueyan, Tan Hui, Tao Mingde . Preparation of Nano sized TiO₂/Pt/Glass Thin Films by Sol-gel Method and Their Use in Photoelectric Degradation of Soluble Dye[J]. Chinese Journal of Applied Chemistry, 1997, 0(4): 76-79.

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Preparation of Nano sized TiO₂/Pt/Glass Thin Films by Sol-gel Method and Their Use in Photoelectric Degradation of Soluble Dye

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