Visible light-induced degradation of methylene blue on S-doped TiO $_{2}$

Umebayashi, Tsutomu; Yamaki, Tetsuya; Tanaka, Shigeru; Asai, Keisuke*

A sulfur (S)-doped titanium dioxide (TiO $_{2}$ ) photocatalyst was synthesized by oxidative annealing of titanium disulfide (TiS $_{2}$ ). TiS $_{2}$ turned into anatase TiO $_{2}$ when annealed in air. The residual S atoms occupied O-atom sites in the TiO $_{2}$ to form Ti-S bonds. The S doping caused the absorption edge of TiO $_{2}$ to be shifted into the lower energy region. Consequently, methylene blue adsorbed on the S-doped TiO $_{2}$ was photocatalytic decomposed by visible light irradiation.

Language	:	English
Journal	:	Chemistry Letters
Volume	:	32
Number	:	4
Pages	:	p.330 - 331
Publication Year/Month	:	2003/04
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Paper URL	:	https://doi.org/10.1246/cl.2003.330
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Keywords	:	可視光応答型光触媒材料; 光触媒; TiO $_{2}$
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Registration No. : A20020671
JAEA Abstracts No. : 320341
Paper Submission No. : 20808

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