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Synthesis of Bimetallic AuPt Nanoparticles in Aqueous Solution and Electrocatalytic Activity

Published online by Cambridge University Press:  01 February 2011

Peter N. Njoki ,
Jin Luo ,
Aisley Jacob ,
Rizwan Munawar ,
Bilal Khan  and
Chuan-Jian Zhong
Peter N. Njoki
Affiliation:
pnjoki1@binghamton.edu
Jin Luo
Affiliation:
jluo@binghamton.edu, United States
Aisley Jacob
Affiliation:
cjzhong@binghamton.edu, United States
Rizwan Munawar
Affiliation:
cjzhong@binghamton.edu, United States
Bilal Khan
Affiliation:
cjzhong@binghamton.edu, United States
Chuan-Jian Zhong
Affiliation:
cjzhong@binghamton.edu, United States
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Abstract

The ability to control composition and size in the synthesis of bimetallic nanoparticles is important for the exploitation of the bimetallic catalytic properties. This paper reports recent findings of an investigation of the synthesis of gold-platinum (AuPt) bimetallic nanoparticles in aqueous solution via reduction of AuCl4− and PtCl42− using a combination of reducing and capping agents. In addition to characterization of the morphological properties of the AuPt nanoparticles using TEM and XRD, the electrocatalytic activity of the carbon-supported AuPt nanoparticle catalysts was also examined for oxygen reduction reaction (ORR) using the rotating disk electrode (RDE) technique. The findings have implications to the design of bimetallic nanoparticle catalysts for fuel cell reactions.

Keywords

nanoscaleAuPt
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 900: Symposium O – Nanoparticles and Nanostructures in Sensors and Catalysis , 2005 , 0900-O13-07
Copyright
Copyright © Materials Research Society 2006

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