Preparation of mesoporous titania particles with photocatalytic activity under visible-light irradiation

被引：7
|
作者：
Shibata, H
Mukai, T
Akita, T
Ohkubo, T
Sakai, H
Abe, M
机构：
[1] Tokyo Univ Sci, Fac Sci & Technol, Noda, Chiba 2788510, Japan
[2] Tokyo Univ Sci, Inst Colloid & Interface Sci, Shinjuku Ku, Tokyo 1628601, Japan
来源：
CHEMISTRY LETTERS | 2005年 / 34卷 / 12期
关键词：
D O I：
10.1246/cl.2005.1696
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Novel visible light-responsive photocatalytic mesoporous titania particles were prepared using the sol-gel reaction of titanium oxysulfate sulfuric acid hydrate TiOSO(4)(.)xH(2)SO(4)(.) xH(2)O in aqueous solution in the presence of lyotropic cetyltrimethylammonium bromide (CTAB) liquid crystal as template. The absorption threshold of the calcined particles shifted toward the longer wavelength side and they showed a photocatalytic activity in the oxidation of gaseous 2-propanol under visible light (> 440 nm) irradiation.
引用
收藏
页码：1696 / 1697
页数：2
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