期刊
MATERIALS RESEARCH BULLETIN
卷 45, 期 2, 页码 224-229出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2009.08.020
关键词
Oxides; Nanostructures; Chemical synthesis; Catalytic properties
资金
- FANEDD of China [200525]
- Natural Science Foundation of Hubei Province [2005ABA027]
- Science & Technology Program of Wuhan City
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.
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