Synthesis of Biphasic Defective TiO2-x/Reduced Graphene Oxide Nanocomposites with Highly Enhanced Photocatalytic Activity

doi:10.1007/s40242-018-7369-x

Chemical Research in Chinese Universities ›› 2018, Vol. 34 ›› Issue (2): 158-163.doi: 10.1007/s40242-018-7369-x

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Synthesis of Biphasic Defective TiO_2-x/Reduced Graphene Oxide Nanocomposites with Highly Enhanced Photocatalytic Activity

GAO Guiqi¹, ZHU Qing¹, CHONG Hanbao^1,2, ZHENG Jun¹, FAN Congmin³, andLI Guang²

1. Center of Modern Experimental Technology, Anhui University, Hefei 230601, P. R. China;
2. School of Physics and Material Science, Anhui University, Hefei 230601, P. R. China;
3. College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, P. R. China

Received:2017-11-17 Revised:2018-01-17 Online:2018-04-01 Published:2018-02-12
Contact: GAO Guiqi,E-mail:gaogq@ahu.edu.cn;LI Guang,E-mail:liguang1971@ahu.edu.cn E-mail:gaogq@ahu.edu.cn;liguang1971@ahu.edu.cn
Supported by:
Supported by the Doctoral Startup Foundation of Anhui University, China(No.10113190077), the Natural Science Foundation of Anhui Province, China(No.1608085QB39) and the National Natural Science Foundation of China(No.51402001).

Abstract

Abstract: Biphasic defective TiO_2-x/reduced graphene oxide(RGO) nanocomposites were synthesized by simple hydrothermal reactions. Compared with TiO_2-x and commercial P25, TiO_2-x/RGO shows much better photocatalytic activity and excellent stability in pollutants degradation, which could be ascribed to Ti³⁺ centers complexed with RGO and the synergetic effect between the two phases. The study reveals a new route for the synthesis of mixed-phase defective TiO_2-x/carbon material nanocomposites for photocatalytic applications.

Key words: Defective biphasic TiO_2-x, Graphene sheet, Photocatalysis, Reduced graphene oxide

GAO Guiqi, ZHU Qing, CHONG Hanbao, ZHENG Jun, FAN Congmin, andLI Guang. Synthesis of Biphasic Defective TiO_2-x/Reduced Graphene Oxide Nanocomposites with Highly Enhanced Photocatalytic Activity[J]. Chemical Research in Chinese Universities, 2018, 34(2): 158-163.

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Synthesis of Biphasic Defective TiO_2-x/Reduced Graphene Oxide Nanocomposites with Highly Enhanced Photocatalytic Activity

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