Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 436, Issue -, Pages 57-61Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2013.06.020
Keywords
Pt-Ru nanoparticles; Graphene; Methanol electro-oxidation; Electrocatalysis
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Funding
- National Natural Science Foundation of China [51073114, 20933007]
- Suzhou Nano-project [ZXG2012022]
- Opening Project of Xinjiang Key Laboratory of Electronic Information Materials and Devices [XJYS0901-2010-01]
- Academic Award for Young Graduate Scholar of Soochow University
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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A facile electrochemical method to fabricate reduced graphene oxide (RGO) wrapped carbon cloth (CC) as a novel support for anchoring Pt-Ru nanocatalysts is reported. The obtained composite electrodes have been characterized by scanning electron microscopy (SEM), X-ray energy dispersive spectroscopy (EDX) and electrochemical methods. It is found that the Pt-Ru nanoparticles electro-deposited are smaller and more uniformly dispersed on RGO wrapped CC electrode (CCE) than those on the bare CCE. The introduction of RGO on CCE surface is beneficial to the dispersion of Pt-Ru nanoparticles, leading to the enhanced electro-catalytic activity and anti-poisoning ability of Pt-Ru toward methanol electro-oxidation. (C) 2013 Elsevier B.V. All rights reserved.
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