期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 33, 期 -, 页码 162-169出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2015.09.030
关键词
TiO2; Graphite; C-doping; Photocatalysis; Methyl orange
资金
- National Natural Science Foundation of China for Youth [21106035]
- Youth Scholar Backbone Supporting Plan Project for General Colleges and Universities of Heilongjiang province [1151G034]
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion
Graphite/C-doped TiO2 composite was synthesized through a modified sal-gel reaction. DRS results indicated that light absorbance edge of graphite/C-doped TiO2 was clearly red-shifted to visible light region by doping with C. SPS results displayed that separation efficiency of photoinduced charge carriers of graphite/C-doped TiO2 were greatly increased by coupling with graphite. Moreover, the photocatalytic performance of composite was evaluated by the degradation of methyl orange (MO). Results showed that graphite/C-doped TiO2 exhibited higher photocatalytic activity for MO than that of pristine TiO2 and P25, which was mainly attributed to the high crystallization, large surface hydroxyl groups, intense visible light absorption and effective separation of photoinduced charge carriers. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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