Comparative study on visible light photocatalytic activity of Fe-modified TiO2 powders

被引：1
|
作者：
Jiraborvornpongsa, Noppakhate [1 ]
Isobe, Toshihiro [1 ]
Matsushita, Sachiko [1 ]
Nakajima, Akira [1 ]
机构：
[1] Tokyo Inst Technol, Sch Mat & Chem Technol, Dept Mat Sci & Engn, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528552, Japan
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2016年 / 124卷 / 07期
关键词：
TiO2; Fe; Photocatalyst; Visible light; TITANIUM-DIOXIDE; SENSITIVE PHOTOCATALYSTS; ILLUMINATION; ENHANCEMENT; FILMS; OXIDE; IONS;
D O I：
10.2109/jcersj2.16033
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Titanium oxide (TiO2) powders with equal specific surface area but with different crystalline phase (rutile and anatase) were modified with Fe using FeCl3 or Fe(acac)(3) with two modification techniques: metal cluster grafting (MCG) and chemisorption calcination cycle (CCC). Then, visible-light photocatalytic activity of the obtained powders was evaluated by the decomposition of gaseous 2-propanol (IPA). The modified powders possessed almost identical morphology and specific surface area. Visible light photocatalytic activity was increased remarkably by the Fe-modified rutile-phase TiO2 prepared using both techniques. The photocatalytic activity, action spectra, and the binding energy shift of oxygen suggest that these two techniques provide different mechanisms for visible light photocatalytic activity. (C) 2016 The Ceramic Society of Japan. All rights reserved.
引用
收藏
页码：781 / 786
页数：6
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