Interface Engineering of a 2D/2D BiVO4/Bi4V2O10 Heterostructure with Improved Photocatalytic Photoredox Activity

Kai Zhu; Wuyou Wang; Beibei Zhang; Xiaowei Chen; Dongqi Ma; Xuewen Wang; Rongbin Zhang; Yin Liu; Pengyu Dong; Xinguo Xi

doi:10.1021/acs.langmuir.2c00609

Interface Engineering of a 2D/2D BiVO₄/Bi₄V₂O₁₀ Heterostructure with Improved Photocatalytic Photoredox Activity

Langmuir. 2022 Jun 21;38(24):7558-7566. doi: 10.1021/acs.langmuir.2c00609. Epub 2022 Jun 6.

Authors

Kai Zhu^{1

2}, Wuyou Wang², Beibei Zhang², Xiaowei Chen³, Dongqi Ma², Xuewen Wang⁴, Rongbin Zhang⁴, Yin Liu¹, Pengyu Dong⁵, Xinguo Xi³

Affiliations

¹ School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, People's Republic of China.
² School of Chemistry & Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, People's Republic of China.
³ School of Materials Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, People's Republic of China.
⁴ . Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, the College of Chemistry, Nanchang University, Nanchang 330031, People's Republic of China.
⁵ Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province, Yancheng Institute of Technology, Yancheng 224051, People's Republic of China.

PMID: 35666859
DOI: 10.1021/acs.langmuir.2c00609

Abstract

Bismuth vanadate (BiVO₄) is a promising photocatalyst for water pollution degradation and photocatalytic oxygen evolution. In this work, we prepared 2D/2D BiVO₄-Bi₄V₂O₁₀ heterostructure with tight interfacial contact via a facile one-step hydrothermal process. The crystal structure and morphology of the samples could be easily regulated by changing the pH values of the solution. The BiVO₄-Bi₄V₂O₁₀ heterostructure exhibited an enhanced photodegradation rate of Cr(VI) and oxygen evolution that of bare BiVO₄, indicating that the synergistic effect and the interfacial fusions between BiVO₄ and Bi₄V₂O₁₀ can effectively promote the migration and separation rate of photoexcited charge carriers.