Engineering the surface of perovskite La0.5Sr0.5MnO3 for catalytic activity of CO oxidation

Keke Huang; Xuefeng Chu; Long Yuan; Wenchun Feng; Xiaofeng Wu; Xiyang Wang; Shouhua Feng

doi:10.1039/C4CC00023D

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Engineering the surface of perovskite La_0.5Sr_0.5MnO₃ for catalytic activity of CO oxidation†

Keke Huang,^a Xuefeng Chu,^b Long Yuan,^a Wenchun Feng,

^c Xiaofeng Wu,^a Xiyang Wang^a and Shouhua Feng

*^a

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* Corresponding authors

^a State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China
E-mail: shfeng@mail.jlu.edu.cn
Fax: +86-431-85168624
Tel: +86-431-85168661

^b Department of Basic Science, Jilin Jianzhu University, Changchun 130118, P. R. China

^c Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey 08854, USA

Abstract

A simple treatment of La_0.5Sr_0.5MnO₃ with diluted HNO₃ creates more B-sites (rich) on the terminated perovskite surface and improves its catalytic activity toward CO oxidation, and the perovskite catalyst possesses a higher ratio of Mn⁴⁺/Mn³⁺ and thus enhances the O₂ adsorption capability, favourable for CO oxidation and catalytic activity.

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Article information

DOI: https://doi.org/10.1039/C4CC00023D
Article type: Communication
Submitted: 02 Jan 2014
Accepted: 25 Jun 2014
First published: 26 Jun 2014

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Chem. Commun., 2014,50, 9200-9203

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Engineering the surface of perovskite La_0.5Sr_0.5MnO₃ for catalytic activity of CO oxidation

K. Huang, X. Chu, L. Yuan, W. Feng, X. Wu, X. Wang and S. Feng, Chem. Commun., 2014, 50, 9200 DOI: 10.1039/C4CC00023D

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