期刊
MATERIALS RESEARCH BULLETIN
卷 59, 期 -, 页码 32-36出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2014.06.025
关键词
Oxides; Thin films; Semiconductivity; Catalytic properties
资金
- Guangdong Natural Science Foundation [S2013040013755, S2013010012022]
- Colleges and Universities in Guangdong Province Science and Technology Innovation Project [2013KJCX0123]
- Zhanjiang Science and Technology Research Projects [2013B01152]
- Zhanjiang Normal University Natural Science Foundation for the Youth Program [L1202]
- Basic Works Project of Ministry of Science and Technology [2012FY111800-5]
MnO2/TiO2 nanotube arrays nanocomposite photocatalysts have been synthesized through an electrodeposition method. X-ray powder diffraction analysis and X-ray photoelectron spectroscopy measurements reveal that the products of electrodeposition method are MnO2. Scanning electron microscopy measurements suggest that the depositions are deposited on the surface or internal of the nanotube. UV-vis light absorbance spectra demonstrate the excellent adsorption properties of MnO2/TiO2 over the whole region of visible light, which enables this novel photocatalytic material to possess remarkable activity in the photocatalytic degradation of acid Orange II under visible light radiation. Moreover, a possible photocatalytic mechanism is discussed. (C) 2014 Elsevier Ltd. All rights reserved.
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