Plasma-enhanced direct conversion of CO2 to CO over oxygen-deficient Mo-doped CeO2

Li Wang; Xiaomin Du; Yanhui Yi; Hongyang Wang; Masaud Gul; Yimin Zhu; Xin Tu

doi:10.1039/D0CC06514E

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Plasma-enhanced direct conversion of CO₂ to CO over oxygen-deficient Mo-doped CeO₂†

Li Wang,

*^a Xiaomin Du,^a Yanhui Yi,

^b Hongyang Wang,^a Masaud Gul,^a Yimin Zhu^a and Xin Tu

*^c

Author affiliations

* Corresponding authors

^a College of Environmental Sciences and Engineering, Dalian Maritime University, Dalian, P. R. China
E-mail: liwang@dlmu.edu.cn

^b State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, P. R. China

^c Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool, UK
E-mail: xin.tu@liv.ac.uk

Abstract

Plasma CO₂ splitting to CO over oxygen-deficient Mo-doped CeO₂ under mild conditions was investigated for the first time, showing ∼20 times higher CO₂ conversion compared to pure CeO₂, which can be attributed to the increased oxygen vacancies (V_O) and the formation of Ce³⁺–V_O–Mo on the catalyst surface. Importantly, V_O sites showed excellent catalytic stability.

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Article information

DOI: https://doi.org/10.1039/D0CC06514E
Article type: Communication
Submitted: 28 Sep 2020
Accepted: 06 Nov 2020
First published: 09 Nov 2020
This article is Open Access

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Chem. Commun., 2020,56, 14801-14804

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Plasma-enhanced direct conversion of CO₂ to CO over oxygen-deficient Mo-doped CeO₂

L. Wang, X. Du, Y. Yi, H. Wang, M. Gul, Y. Zhu and X. Tu, Chem. Commun., 2020, 56, 14801 DOI: 10.1039/D0CC06514E

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Chemical Communications