The relationship between structure and activity of MoO3–CeO2 catalysts for NO removal: influences of acidity and reducibility

Yue Peng; Ruiyang Qu; Xueying Zhang; Junhua Li

doi:10.1039/C3CC42693A

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The relationship between structure and activity of MoO₃–CeO₂catalysts for NO removal: influences of acidity and reducibility†

Yue Peng,^a Ruiyang Qu,^a Xueying Zhang^a and Junhua Li*^a

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* Corresponding authors

^a State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
E-mail: lijunhua@tsinghua.edu.cn
Tel: +86 10 62771093

Abstract

The SCR activities of MoO₃–CeO₂ catalysts are enhanced by both Lewis and Brønsted acidities provided by surface cerium atoms and amorphous MoO₃ structures, respectively, but are suppressed by stable adsorbed nitrate or nitrite species on the defect sites of CeO₂.

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Article information

DOI: https://doi.org/10.1039/C3CC42693A
Article type: Communication
Submitted: 12 Apr 2013
Accepted: 20 May 2013
First published: 22 May 2013

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Chem. Commun., 2013,49, 6215-6217

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The relationship between structure and activity of MoO₃–CeO₂ catalysts for NO removal: influences of acidity and reducibility

Y. Peng, R. Qu, X. Zhang and J. Li, Chem. Commun., 2013, 49, 6215 DOI: 10.1039/C3CC42693A

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Chemical Communications