화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.33, 162-169, January, 2016
DOI10.1016/j.jiec.2015.09.030  Export Citation
Characterization and mechanism analysis of graphite/C-doped TiO2 composite for enhanced photocatalytic performance
Jialin Jia1, Dong Li1, Jiafeng Wan1, †, and Xiujuan Yu1, 2, †
  • 1Department of Environmental Science and Engineering, Heilongjiang University, Xuefu Road 74, Nangang District, Harbin 150080, Heilongjiang Province, PR China
  • 2Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion, Harbin, College of Heilongjiang Province, PR China
E-mail:,
Graphite/C-doped TiO2 composite was synthesized through a modified sol-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.
Keywords:TiO2;Graphite;C-doping;Photocatalysis;Methyl orange
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