Preparation of Fe-doped TiO2 nanotube arrays and their photocatalytic activities under visible light

被引：80
|
作者：
Tu, Ya-Fang [1 ]
Huang, Sheng-You [1 ]
Sang, Jian-Ping [1 ,2 ]
Zou, Xian-Wu [1 ]
机构：
[1] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China
[2] Jianghan Univ, Dept Phys, Wuhan 430056, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2010年 / 45卷 / 02期
关键词：
Oxides; Nanostructures; Chemical synthesis; Catalytic properties; LIQUID-PHASE DEPOSITION; CHEMICAL-VAPOR-DEPOSITION; SOL-GEL METHOD; THIN-FILMS; TITANIUM-DIOXIDE; COMPOSITE MEMBRANE; NANOHOLE ARRAYS; METHYLENE-BLUE; FABRICATION; DEGRADATION;
D O I：
10.1016/j.materresbull.2009.08.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe-doped TiO2 nanotube arrays have been prepared by the template-based liquid phase deposition method. Their morphologies, structures and optical properties were investigated by scanning electron microscopy, transmission electron microscopy, X-ray diffraction and UV-vis absorption spectroscopy. Their photocatalytic activities were evaluated by the degradation of methylene blue under visible light. The UV-vis absorption spectra of the Fe-cloped TiO2 nanotube arrays showed a red shift and an enhancement of the absorption in the visible region compared to the undoped sample. The Fe-doped TiO2 nanotube arrays exhibited good photocatalytic activities under visible light irradiation, and the optimum dopant amount was found to be 5.9 at% in our experiments. (C) 2009 Published by Elsevier Ltd.
引用
收藏
页码：224 / 229
页数：6
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