(Sulfur,nitrogen)-codoped rutile-titanium dioxide as a visible-light-activated photocatalyst

被引:93
作者
Liu, HY [1 ]
Gao, L [1 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
关键词
D O I
10.1111/j.1551-2916.2004.01582.x
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
Many elements have been used to dope titanium dioxide (TiO2) so that it absorbs light in the visible region of the solar spectrum. We have synthesized, for the first time, (S,N)codoped rutile-TiO2 photocatalyst using a hydrothermal method and subsequent nitridation under NH3 flow. The (S,N)-codoping causes the absorption edge of TiO2 to be shifted to the longer-wavelength region and two optical absorption bandgaps in the visible-light region. (S,N)-codoping has a better photocatalytic activity than S-doping and N-doping for degradation of methylene blue solution under visible light.
引用
收藏
页码:1582 / 1584
页数:3
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