期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 91, 期 1-2, 页码 152-156出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2009.05.018
关键词
Sulfur doping; Titanium dioxide; Rutile; Anodic oxidation; Visible light response
资金
- Tohoku Univ
- Kitami Institute of Technology
- Ministry of Education, Science, Sports, and Culture, Japan [17206070]
- Grants-in-Aid for Scientific Research [17206070] Funding Source: KAKEN
Anodic oxides on pure titanium provide rutile-structured TiO(2) photocatalysts; with sub-micron pores. The photocatalysts effectively bleached methylene blue aqueous solution under visible light illumination with wavelengths longer than 413 nm. Auger electron spectroscopy and infrared absorption analyses revealed the presence of sulfur in the anodized oxide. The sulfur doping appears to play an important role-in response to visible light by narrowing the band gap of pristine TiO(2). (C) 2009 Elsevier B.V. All rights reserved.
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