Facile morphology control of 3D porous CeO2 for CO oxidation

Xia Jiang; Xiaochun Huang; Wei Zeng; Jiale Huang; Yanmei Zheng; Daohua Sun; Qingbiao Li

doi:10.1039/C8RA03555E

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Facile morphology control of 3D porous CeO₂ for CO oxidation†

Xia Jiang,^a Xiaochun Huang,^a Wei Zeng,^a Jiale Huang,^a Yanmei Zheng,^a Daohua Sun

*^a and Qingbiao Li*^a

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* Corresponding authors

^a Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, P. R. China
E-mail: sdaohua@xmu.edu.cn, kelqb@xmu.edu.cn

Abstract

3D porous CeO₂ with various morphologies was successfully synthesized via a facile precipitation using glycine as the soft bio-template. During the synthesis, it was demonstrated that the morphology of CeO₂ depended on the molar ratio of reactants. Furthermore, the catalytic performance towards CO oxidation of the as-synthesized CeO₂ with different morphologies was investigated. CeO₂ with a bowknot shape showed excellent catalytic performance, giving complete CO conversion at 370 °C, due to its properties of much higher oxygen vacancies, loosely packed pore structure and larger specific surface area.

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Article information

DOI: https://doi.org/10.1039/C8RA03555E
Article type: Paper
Submitted: 25 Apr 2018
Accepted: 06 Jun 2018
First published: 13 Jun 2018
This article is Open Access

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RSC Adv., 2018,8, 21658-21663

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Facile morphology control of 3D porous CeO₂ for CO oxidation

X. Jiang, X. Huang, W. Zeng, J. Huang, Y. Zheng, D. Sun and Q. Li, RSC Adv., 2018, 8, 21658 DOI: 10.1039/C8RA03555E

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