期刊
SOLID STATE SCIENCES
卷 16, 期 -, 页码 16-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2012.11.012
关键词
Fe-doped TiO2 film; Electrophoretic deposition; Photocatalytic decolorization; Methyl orange; Low temperature
资金
- Ministry of Science and Technology of China [2010DFA22770]
- National Natural Science Foundation of China [51079056/E090301]
- Natural Science Foundation of Hubei Province [2008CDA041]
- National Science Foundation of Huazhong University of Science and Technology (HUST)
In this study the cathodic electrophoretic deposition method has been developed and used to prepare Fe-doped TiO2 films to enhance the photocatalytic activity. X-ray diffraction (XRD) showed that the photocatalysts were predominantly in well-crystallized anatase phase, scanning electron microscope (SEM) and transmission electron microscopy (TEM) showed that the photocatalysts were in nanometer size with the diameter about 20 nm. We discussed the effects of electrophoretic voltage and the optimum content of Fe on the activity of photocatalyst. Compared to the calcined Fe-doped TiO2 film, the non-calcined Fe-doped TiO2 film showed higher photocatalytic decolorization toward methyl orange (MO). The photocatalytic degradation of MO could be described as pseudo-first order reactions. (C) 2012 Elsevier Masson SAS. All rights reserved.
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