Enhanced stability of (111)-surface-dominant core-shell nanoparticle catalysts towards the oxygen reduction reaction

Jianbo Wu; Miao Shi; Xi Yin; Hong Yang

doi:10.1002/cssc.201300388

Enhanced stability of (111)-surface-dominant core-shell nanoparticle catalysts towards the oxygen reduction reaction

Jianbo Wu, Miao Shi, Xi Yin, Hong Yang

Research output: Contribution to journal › Article › peer-review

Abstract

Holy GRAILS: The synthesis of composition- and shape-controlled alloy@alloy core-shell multimetallic nanoparticles using the GRAILS method is reported. Pt-M@Pt-Pd (where M=Co and Ni) nanocrystals are synthesized in the forms of truncated and regular octahedra by using carbon monoxide. Compared to an octahedral Pt₃Ni catalyst, the Pt₃Ni@Pt₃Pd catalyst shows a comparably high activity but better stability towards the oxygen reduction reaction.

Original language	English (US)
Pages (from-to)	1888-1892
Number of pages	5
Journal	ChemSusChem
Volume	6
Issue number	10
DOIs	https://doi.org/10.1002/cssc.201300388
State	Published - Oct 2013

Keywords

alloys
core-shell nanoparticles
crystal engineering
oxygen reduction
platinum

ASJC Scopus subject areas

Environmental Chemistry
General Chemical Engineering
General Materials Science
General Energy

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10.1002/cssc.201300388

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abstract = "Holy GRAILS: The synthesis of composition- and shape-controlled alloy@alloy core-shell multimetallic nanoparticles using the GRAILS method is reported. Pt-M@Pt-Pd (where M=Co and Ni) nanocrystals are synthesized in the forms of truncated and regular octahedra by using carbon monoxide. Compared to an octahedral Pt3Ni catalyst, the Pt3Ni@Pt3Pd catalyst shows a comparably high activity but better stability towards the oxygen reduction reaction.",

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AB - Holy GRAILS: The synthesis of composition- and shape-controlled alloy@alloy core-shell multimetallic nanoparticles using the GRAILS method is reported. Pt-M@Pt-Pd (where M=Co and Ni) nanocrystals are synthesized in the forms of truncated and regular octahedra by using carbon monoxide. Compared to an octahedral Pt3Ni catalyst, the Pt3Ni@Pt3Pd catalyst shows a comparably high activity but better stability towards the oxygen reduction reaction.

KW - alloys

KW - core-shell nanoparticles

KW - crystal engineering

KW - oxygen reduction

KW - platinum

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Enhanced stability of (111)-surface-dominant core-shell nanoparticle catalysts towards the oxygen reduction reaction

Abstract

Keywords

ASJC Scopus subject areas

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