Preparation of (Cr, Ti)-Containing Mesoporous Silica Photocatalyst Using a Photo-assisted Deposition Method: Selective Oxidation of Propene with Oxygen under Visible Light Irradiation

被引：5
|
作者：
Masui, Yosuke [1 ]
Ohshiro, Satoshi [1 ]
Anpo, Masakazu [2 ]
Ohmichi, Tetsutaro [1 ]
Yamashita, Hiromi [1 ]
Katayama, Iwao [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Div Mat & Mfg Sci, 2-1 Yamada Oka, Suita, Osaka 5650871, Japan
[2] Osaka Prefecture Univ, Grad Sch Engn, Dept Appl Chem, Suita, Osaka 5998531, Japan
来源：
E-JOURNAL OF SURFACE SCIENCE AND NANOTECHNOLOGY | 2005年 / 3卷
关键词：
Catalysis; Chromium; Titanium;
D O I：
10.1380/ejssnt.2005.448
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Using a photo-assisted deposition method, a tetrahedrally coordinated chromium oxide moieties (tetra-Cr oxide) can be anchored on a tetrahedrally coordinated titanium oxide moieties (tetra-Ti oxide) included within a framework of mesoporous silica. Under UV-light irradiation, the tetra-Cr oxide moieties can be deposited on the photo-excited tetra-Ti oxide moieties forming a direct interaction. This catalyst can demonstrate as a photocatalyst having the high efficiency and the high selectivity in the photoepoxidation of propene with O-2 under visible light irradiation.
引用
收藏
页码：448 / 452
页数：5
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