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Novel Bi2MoO6 Nanosheets/Vertical TiO2 Nanorods Arrays Heterojunction with Enhanced Photoelectrochemical Performance under Visible Light Irradiation
Xiang Gao,Jia-wei Xue,Ying Luo,Xiao-di Zhu,Song Sun,Jun Bao*,Wen-dong Wang*
Author NameAffiliationE-mail
Xiang Gao National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China  
Jia-wei Xue Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China  
Ying Luo National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China  
Xiao-di Zhu National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China  
Song Sun National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China  
Jun Bao* National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China baoj@ustc.edu.cn 
Wen-dong Wang* Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China wangwd@ustc.edu.cn 
Abstract:
Novel Bi2MoO6/TiO2 heterojunction was fabricated by growing Bi2MoO6 nanosheets arrays on the vertically aligned TiO2 nanorods arrays via a two-step solvothermal method. The obtained Bi2MoO6/TiO2 hierarchical heterojunction showed excellent visible light photoelectrochemical performance. Compared with the pure TiO2 and Bi2MoO6, the photocurrent density of the heterojunction was increased 57 and 29 times, respectively. Furthermore, the hydrogen generation rate of the Bi2MoO6/TiO2 for photoelectrocatalytic water-splitting was about 6 times higher than that of the pure Bi2MoO6. The improved performance can be attributed to the synergistic effects of enhanced absorption of visible light, increase of migration rate and separation efficiency of photo-induced carriers.
Key words:  Bi2MoO6/TiO2  Hierarchical structure  Photoelectrocatalytic water-splitting  Visible light
FundProject:This work was supported by the National Natural Science Foundation of China (No.U1632273).
Bi2MoO6纳米片/TiO2纳米棒阵列复合材料的制备及其可见光响应光电催化性能研究
高翔,薛佳伟,罗英,朱晓娣,孙松,鲍骏*,汪文栋*
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DOI:10.1063/1674-0068/30/cjcp1705095
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