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

doi:10.1007/s40242-018-7369-x

高等学校化学研究 ›› 2018, Vol. 34 ›› Issue (2): 158-163.doi: 10.1007/s40242-018-7369-x

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

收稿日期:2017-11-17 修回日期:2018-01-17 出版日期:2018-04-01 发布日期:2018-02-12
通讯作者: 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
基金资助:
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).

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).

摘要/Abstract

摘要： 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.

关键词: Defective biphasic TiO_2-x, Graphene sheet, Photocatalysis, Reduced graphene oxide

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]. 高等学校化学研究, 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

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

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