Fabrication of C, N-codoped TiO2 nanotube photocatalysts with visible light response

被引：17
|
作者：
Shi Jian [1 ]
Li Jun [1 ]
Cai Yun-Fa [2 ]
机构：
[1] Nantong Univ, Sch Chem & Chem Engn, Nantong 226007, Jiangsu Prov, Peoples R China
[2] Zhejiang Univ, Inst Environm Engn, Hangzhou 310027, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2008年 / 24卷 / 07期
关键词：
photocatalysis; visible light; titania; codoping;
D O I：
10.3866/PKU.WHXB20080727
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：
To enhance the absorption in the visible region for TiO2, C and/or N doping of TiO2 nanotube was carried out by a novel method-plasma electrolysis. The doping was achieved with active C and N produced from the plasma electrolysis of HCONH2, NaNO2, or (NH2)(2)CO. The results of XPS revealed that C and N were successfully doped into the lattice of TiO2. UV-Vis diffuse reflectance spectra showed a shift to longer wavelengths and an enhancement of the absorption in the visible region (> 400 nm) for the C, N-codoped TiO2, compared to the pure TiO2, C-doped TiO2 and N-doped TiO2. The C, N-codoped TiO2 showed the best photocatalytic activities for the degradation of methyl orange under visible light irradiation, and was a promising photocatalyst for utilizing the solar energy.
引用
收藏
页码：1283 / 1286
页数：4
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