Photocatalytic reaction over iron hydroxides: A novel visible-light-responsive photocatalyst

被引：19
|
作者：
Murakami, Naoya [1 ]
Matsuo, Takuma [1 ]
Tsubota, Toshiki [1 ]
Ohno, Teruhisa [1 ]
机构：
[1] Kyushu Inst Technol, Fac Engn, Dept Appl Chem, Kitakyushu, Fukuoka 8048550, Japan
来源：
CATALYSIS COMMUNICATIONS | 2011年 / 12卷 / 05期
关键词：
Visible-light-responsive photocatalyst; Iron hydroxide; Hydrothermal preparation; COMPLETE OXIDATION; ACETALDEHYDE; TRANSITION; OXIDE; FEOOH; TIO2;
D O I：
10.1016/j.catcom.2010.10.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Photocatalytic properties of iron hydroxide (FeOOH) particles prepared by a hydrothermal method were estimated under visible-light irradiation. Hydrothermal treatment in the presence of ethanol induced alpha-FeOOH (goethite) formation even under an acidic condition, while the presence of chloride ion led to preferential formation of beta-FeOOH (akaganeite). alpha-FeOOH particles with largest specific surface area showed the highest photocatalytic activity among commercial and prepared FeOOH samples and exhibited total decomposition of acetaldehyde even under visible-light irradiation. The progress of photocatalytic reaction may be due to multi-electron reduction of oxygen over FeOOH particles. (c) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：341 / 344
页数：4
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