Hollow BiVO4/Bi2S3 cruciate heterostructures with enhanced visible-light photoactivity

Chen Zhuang; Lanqin Tang; Zhentao Yu; Tianxiao Peng; Yongcai Zhang; Liang Li; Yong Zhou; Zhigang Zou

doi:10.1039/C8CY01899E

Hollow BiVO₄/Bi₂S₃ cruciate heterostructures with enhanced visible-light photoactivity†

Chen Zhuang,^cf Lanqin Tang,

*^abef Zhentao Yu,^cf Tianxiao Peng,^d Yongcai Zhang,^d Liang Li,^ef Yong Zhou

*^aef and Zhigang Zou^acef

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* Corresponding authors

^a National Laboratory of Solid State Microstructures, Department of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China
E-mail: lanqin_tang@163.com, zhouyong1999@nju.edu.cn

^b College of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 22401, P. R. China

^c Department of Materials Science and Engineering, Nanjing University, Nanjing 210093, P. R. China

^d College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China

^e Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics, Department of Physics, Nanjing University, Nanjing 210093, P. R. China

^f Eco-materials and Renewable Energy Research Center (ERERC), Nanjing University, Nanjing 210093, P. R. China

Abstract

Novel BiVO₄/Bi₂S₃ cruciformities with hollow heterostructures were synthesized by an anion exchange method. The cruciate BiVO₄ acted as a template for the formation of special BiVO₄/Bi₂S₃ heterostructures. The proportion of Bi₂S₃ in the heterostructures could be simply controlled by adjusting the amount of Na₂S during the reaction with BiVO₄ cruciate flakes. The as-prepared BiVO₄/Bi₂S₃ heterostructures exhibit superior photo-responsive range and enhanced visible-light photoreduction activity for Cr⁶⁺ ions. A possible enhanced photoreduction mechanism is proposed.

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DOI: https://doi.org/10.1039/C8CY01899E
Article type: Paper
Submitted: 11 Sep 2018
Accepted: 13 Nov 2018
First published: 05 Dec 2018

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Catal. Sci. Technol., 2019,9, 182-187

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Hollow BiVO₄/Bi₂S₃ cruciate heterostructures with enhanced visible-light photoactivity

C. Zhuang, L. Tang, Z. Yu, T. Peng, Y. Zhang, L. Li, Y. Zhou and Z. Zou, Catal. Sci. Technol., 2019, 9, 182 DOI: 10.1039/C8CY01899E

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Catalysis Science & Technology

Hollow BiVO₄/Bi₂S₃ cruciate heterostructures with enhanced visible-light photoactivity†

Abstract

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Hollow BiVO₄/Bi₂S₃ cruciate heterostructures with enhanced visible-light photoactivity

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