A nanoflower shaped gold-palladium alloy on graphene oxide nanosheets with exceptional activity for electrochemical oxidation of ethanol
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- 作者：Qiyu Wang (1)
Xiaoqiang Cui (1)
Weiming Guan (2)
Xiaoming Zhang (1)
Chang Liu (1)
Tianyu Xue (1)
Haitao Wang (1)
Weitao Zheng (1) - 关键词：Alloy ; Graphene ; Nanostructure ; Catalyst
- 刊名：Microchimica Acta
- 出版年：2014
- 出版时间：February 2014
- 年：2014
- 卷：181
- 期：3-4
- 页码：373-380
- 全文大小：544 KB
- 作者单位：Qiyu Wang (1)
Xiaoqiang Cui (1)
Weiming Guan (2)
Xiaoming Zhang (1)
Chang Liu (1)
Tianyu Xue (1)
Haitao Wang (1)
Weitao Zheng (1)
1. Department of Materials Science, Key Laboratory of Automobile Materials of MOE and State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, People’s Republic of China
2. State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming, 650106, People’s Republic of China - ISSN：1436-5073
文摘
We report on a new and facile method for the preparation of well-dispersed gold-palladium (AuPd) flower-shaped nanostructures on sheets of graphene oxide (GO). Transmission electron microscopy and high angle annular dark field STEM were used to characterize the morphology and composition of the new nanohybrids. The AuPd/GO composites display high electrocatalytic activity for the oxidation of ethanol in strongly alkaline medium as examined by cyclic voltammetry and chronoamperometry. Both the current density (13.16?mA?·?cm? at a working potential of ?.12?V) and the long-time stability are superior to a commercial Pd-on-carbon catalyst which is attributed to the cooperative action of the catalytic activities of Au and Pd, and the good dispersion of the alloy on the nanosheets. Figure Flower shaped gold-palladium alloy on graphene oxide nanosheets