Mesoporous SiO2-confined La0.7Sr0.3CoO3 perovskite nanoparticles: an efficient NOx adsorber for lean-burn exhausts

Quan Ding; Hui Xian; Yisheng Tan; Noritatsu Tsubaki; Xingang Li

doi:10.1039/C3CY00105A

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Mesoporous SiO₂-confined La_0.7Sr_0.3CoO₃ perovskite nanoparticles: an efficient NO_x adsorber for lean-burn exhausts†

Quan Ding,^ab Hui Xian,^ac Yisheng Tan,^d Noritatsu Tsubaki^e and Xingang Li*^abf

Author affiliations

* Corresponding authors

^a School of Chemical Engineering & Technology, Tianjin University, Tianjin, PR China
E-mail: xingang_li@tju.edu.cn
Fax: +86-22-27892275
Tel: +86-22-27892275

^b Tianjin Key Laboratory of Applied Catalysis Science & Technology, Tianjin, PR China

^c Pei-Yang Distillation Engineering Limited Company, Tianjin, PR China

^d State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Science, Taiyuan, PR China

^e Department of Applied Chemistry, School of Engineering, University of Toyama, Gofuku 3190, Toyama city, Japan

^f The Co-innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin, PR China

Abstract

Herein, we successfully synthesized well crystallized La_0.7Sr_0.3CoO₃ perovskite nanoparticles confined in the mesopores of a SiO₂ support. This perovskite exhibited extremely high NO_x adsorbability for lean-burn exhausts, as well as improved stability in reducing atmospheres.

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Article information

DOI: https://doi.org/10.1039/C3CY00105A
Article type: Communication
Submitted: 14 Feb 2013
Accepted: 28 Mar 2013
First published: 28 Mar 2013

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Catal. Sci. Technol., 2013,3, 1493-1496

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Mesoporous SiO₂-confined La_0.7Sr_0.3CoO₃ perovskite nanoparticles: an efficient NO_x adsorber for lean-burn exhausts

Q. Ding, H. Xian, Y. Tan, N. Tsubaki and X. Li, Catal. Sci. Technol., 2013, 3, 1493 DOI: 10.1039/C3CY00105A

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