期刊
NANO RESEARCH
卷 8, 期 7, 页码 2308-2316出版社
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-015-0741-y
关键词
platinum; copper; nanowires; electrooxidation; activity
类别
资金
- National Natural Science Foundation of China [21190040, 11174105, 91227114]
Using Te nanowires as a sacrificial template, we developed a facile wet-chemical method for the synthesis of bimetallic PtCu nanowires. The as-prepared PtCu nanowires possess a porous structure and high aspect ratio. Transmission electron microscopy, X-ray diffraction, energy dispersive spectroscopy, energy dispersive X-ray spectrum elemental mapping, inductively coupled plasmamass spectroscopy, and X-ray photoelectron spectroscopy (XPS) measurement techniques are used to analyze the structure and composition of the as-prepared nanowires. The XPS results verify that the incorporation of Cu led to the modified electronic state of Pt. Electrocatalytic results prove that the as-prepared nanowires present superior activity for methanol and ethanol electrooxidation in an alkaline solution.
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