Bismuth chromate (Cr2Bi3O11): a new bismuth-based semiconductor with excellent photocatalytic activity

Xinyu Gao; Kelei Huang; Zisheng Zhang; Xiangchao Meng

doi:10.1039/D1CC06734F

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Bismuth chromate (Cr₂Bi₃O₁₁): a new bismuth-based semiconductor with excellent photocatalytic activity†

Xinyu Gao,‡^a Kelei Huang,‡^a Zisheng Zhang

^b and Xiangchao Meng

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, China
E-mail: mengxiangchao@ouc.edu.cn

^b Department of Chemical and Biological Engineering, Faculty of Engineering, University of Ottawa, Ottawa, ON, Canada

Abstract

A novel bismuth chromate material (Cr₂Bi₃O₁₁) was synthesized by a direct mixing method with higher photocatalytic activity in both organic pollutant detoxification and oxygen evolution. Cr₂Bi₃O₁₁ with a band gap of 2.20 eV could be activated by photons with a wavelength below 561 nm. This work not only provides an approach for the controllable synthesis of Cr₂Bi₃O₁₁, but also experimentally and theoretically shows its excellence and potential when applied in photocatalysis.

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Article information

DOI: https://doi.org/10.1039/D1CC06734F
Article type: Communication
Submitted: 01 Dec 2021
Accepted: 13 Jan 2022
First published: 14 Jan 2022

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Chem. Commun., 2022,58, 2014-2017

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Bismuth chromate (Cr₂Bi₃O₁₁): a new bismuth-based semiconductor with excellent photocatalytic activity

X. Gao, K. Huang, Z. Zhang and X. Meng, Chem. Commun., 2022, 58, 2014 DOI: 10.1039/D1CC06734F

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