期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 5, 页码 1781-1785出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm13024b
关键词
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资金
- National Natural Science Foundation of China [20673036, J0830415]
- Science and Technology Project of Hunan Province [2011GK3136]
Chemically reduced graphene oxide sheets-supported PdAu (PdAu/CRG) nanocomposites were prepared facilely by co-reduction of graphene oxide sheets, PdCl2 and HAuCl4. Then the PdAu/CRG nanocomposites were characterized by using X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The results reveal that PdAu bimetallic nanoparticles with an average diameter of 6 nm are dispersed uniformly on the chemically reduced graphene oxide sheets (CRG). The electrocatalytic performance of the PdAu/CRG catalyst was studied by cyclic voltammetric and chronoamperometric measurements. Electrochemical experiments show that the PdAu/CRG catalyst has excellent catalytic activity and good stability for ethanol oxidation, indicating that the readily available CRG is an outstanding catalyst carrier for ethanol oxidation in alkaline media.
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