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Organometallic precursor induced defects-enriched mesoporous CeO2 with high specific surface area: preparation and catalytic performance

Abstract

High specific surface areas, suitable porous structure and surface enriched defects are favorable to improve the catalytic performance of ceria. However, it remains a challenge to further enhance these characters in one system. Herein, an appealing approach for preparing mesoporous and defects-enriched CeO2 with high specific surface area around 220 m2/g is explored. When evaluated as a catalyst for oxidation coupling of alcohols and amines under mild conditions, a maximum conversion efficiency of 92.9% is achieved for benzyl alcohol at 60 °C under air wihtin 8 h, and the selectivity to imine approached almost 100%, which is ascribed to its superior specific surface areas and surface properties. We anticipate that such a novel approach has a directive function for the development of high performance metal oxide catalysts or catalytic carriers.

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Supplementary files

Article information


Submitted
25 Feb 2020
Accepted
25 Jun 2020
First published
26 Jun 2020

J. Mater. Chem. A, 2020, Accepted Manuscript
Article type
Paper

Organometallic precursor induced defects-enriched mesoporous CeO2 with high specific surface area: preparation and catalytic performance

S. Yang, H. Shen, F. Cheng, C. Wu, Y. Cao, S. Zhuo, Q. Zhang and H. Zhang, J. Mater. Chem. A, 2020, Accepted Manuscript , DOI: 10.1039/D0TA02218G

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