Journal
ELECTROCHIMICA ACTA
Volume 107, Issue -, Pages 419-424Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2013.06.012
Keywords
Cu@Pt core-shell NPs; Reduced graphene oxide (rGO); Methanol oxidation; Anodic electrocatalyst
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Funding
- National Natural Science Foundation of China [21003025]
- Science 82 Technology Commission of Shanghai Municipality, China [08DZ2270500]
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Here we prepared Cu@Pt core-shell nanoparticles (NPs) anchored on the reduced graphene oxide (rGO) via a sequential wet chemical process. The morphologies and structures of the as-prepared catalysts were characterized by transmission electron microscope (TEM), X-ray diffraction (XRD) and ultraviolet-visible (UV) absorption spectrum. The electrochemical measurements show that the Cu@Pt/rGO catalysts have superior catalytic activity and stability for methanol electrooxidation compared to Cu@Pt/Vulcan XC-72(XC-72) with the same Pt content, which may be a consequence of mutual effect of the Cu@Pt core-shell NPs and rGO support. (C) 2013 Elsevier Ltd. All rights reserved.
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