Photocatalytic oxidation of NO on reduction type semiconductor photocatalysts: effect of metallic Bi on CdS nanorods

Ruina Li; Xiaoyu Ou; Li Zhang; Zheng Qi; Xiaofeng Wu; Chunshan Lu; Jiajie Fan; Kangle Lv

doi:10.1039/D1CC03516A

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Photocatalytic oxidation of NO on reduction type semiconductor photocatalysts: effect of metallic Bi on CdS nanorods†

Ruina Li,

^a Xiaoyu Ou,

^a Li Zhang,

^a Zheng Qi,

^a Xiaofeng Wu,

*^ab Chunshan Lu,

*^c Jiajie Fan

^d and Kangle Lv

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environmental Science, South-Central University for Nationalities, Wuhan, Hubei Province 430074, China
E-mail: lvkangle@mail.scuec.edu.cn
Fax: +86-27-67843918
Tel: +86-27-67841369

^b Surface Science Laboratory, Department of Materials and Earth Sciences, Technische Universität Darmstadt, Otto-Berndt-Strasse 3, 64287 Darmstadt, Germany
E-mail: xiaofengwu0501@163.com

^c State Key Laboratory of Green Chemistry Synthesis Technology, Zhejiang University of Technology, Hangzhou 310032, China
E-mail: lcszjcn@zjut.edu.cn

^d School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

Abstract

We report the first visible light photocatalytic oxidation of NO on CdS nanorods (CdS-NRs), one of the typical reduction type semiconductor photocatalysts. The NO removal rate in a continuous reactor sharply increases from 44% to 58% after in situ deposition of Bi nanoplates on CdS-NRs. The LSPR effect of metallic Bi causes the dramatic production of superoxide radicals (˙O₂⁻) and singlet oxygen (¹O₂) that are responsible for the oxidation of NO.

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DOI: https://doi.org/10.1039/D1CC03516A
Article type: Communication
Submitted: 01 Jul 2021
Accepted: 30 Aug 2021
First published: 31 Aug 2021

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Chem. Commun., 2021,57, 10067-10070

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Photocatalytic oxidation of NO on reduction type semiconductor photocatalysts: effect of metallic Bi on CdS nanorods

R. Li, X. Ou, L. Zhang, Z. Qi, X. Wu, C. Lu, J. Fan and K. Lv, Chem. Commun., 2021, 57, 10067 DOI: 10.1039/D1CC03516A

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Chemical Communications

Photocatalytic oxidation of NO on reduction type semiconductor photocatalysts: effect of metallic Bi on CdS nanorods†

Abstract

Supplementary files

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Photocatalytic oxidation of NO on reduction type semiconductor photocatalysts: effect of metallic Bi on CdS nanorods

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