title: Hexagonal 2H-MoSe2broad spectrum active photocatalyst for Cr(VI) reduction.
abstract: To make full use of the solar energy, exploring broad spectrum active photocatalysts has become one of the core issues for photocatalysis. Here we report a novel hexagonal 2H-MoSe2photocatalyst with ultraviolet (UV)-visible-near infrared (NIR) light response for the first time. The results indicate that the MoSe2displays excellent photo-absorption and photocatalytic activity in the reduction of Cr(VI) under UV and visible even NIR light irradiation. MoSe2synthesized at pH value of 2 achieves the highest Cr(VI) reduction rates of 99%, 91% and 100% under UV, visible and NIR light irradiation, respectively, which should be attributed to its comparatively higher light absorption, efficient charge separation and transfer as well as relatively large number of surface active sites. The excellent broad spectrum active photocatalytic activity makes the MoSe2to be a promising photocatalyst for the effective utilization of solar energy.
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Haipeng
authors.initials: H
authors.lastname: Chu
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Xinjuan
authors.initials: X
authors.lastname: Liu
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Baibai
authors.initials: B
authors.lastname: Liu
authors.affiliation: Anhui Key Laboratory of Spin Electron and Nanomaterials, Suzhou University, Suzhou 234000, China.
authors.forename: Guang
authors.initials: G
authors.lastname: Zhu
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Wenyan
authors.initials: W
authors.lastname: Lei
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Huigang
authors.initials: H
authors.lastname: Du
authors.affiliation: Research Center for Combustion and Environment Technology, Shanghai Jiao Tong University, Shanghai 200240, China.
authors.forename: Junying
authors.initials: J
authors.lastname: Liu
authors.affiliation: Jiangsu Key Laboratory of Advanced Laser Materials and Devices, Hydrogen energy laboratory, Laboratory for Quantum Design of Functional Material, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China.
authors.forename: Jianwei
authors.initials: J
authors.lastname: Li
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Can
authors.initials: C
authors.lastname: Li
authors.affiliation: Institute of Coordination Bond Metrology and Engineering, College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, China.
authors.forename: Changqing
authors.initials: C
authors.lastname: Sun