Journal
ELECTROCHIMICA ACTA
Volume 92, Issue -, Pages 421-426Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/J.electacta.2013.01.067
Keywords
Graphene; Pt-nanocluster; Edge state; Methanol oxidation reaction (MOR)
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In this study, the liquid phase reduction technique was used on nanographene oxide sheets (<100 nm), followed by vapor phase reduction of the Pt complex, and we obtained precisely size-controlled Pt nanoclusters with a narrow size distribution on the nanographene sheets with a relatively large surface area. The average sizes of Pt nanocluster were controlled from 1.1 to 2.4 nm by varying initial concentration of Pt complex. Moreover, the Pt sub-nano/nanoclusters mainly attached to the edge of the nanographene sheets and showed superior catalytic performance for electrochemical methanol oxidation. (C) 2013 Elsevier Ltd. All rights reserved.
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