期刊
CHEMICAL COMMUNICATIONS
卷 52, 期 69, 页码 10547-10550出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc04079a
关键词
-
资金
- NSFC [21431003, 21521091]
Crystallinity offers countless opportunities for the controlled synthesis of multimetallic 2D and 3D nanomaterials. Herein we have successfully synthesized 2D Pt-Ag ultrathin nanosheets through the oxidative etching of twin seeds and 3D Pt-Ag-Cu tetrapods via altering the crystallinity through the incorporation of copper into the Pt-Ag alloy. A better electrocatalytic activity is obtained for the oxidation of formic acid which is 3.8 times higher than that of a commercial platinum catalyst as the stepped surface atom densities are higher on the nanosheets.
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