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|Title:||Dendritic Pt-Cu bimetallic nanocrystals with a high electrocatalytic activity toward methanol oxidation|
|Citation:||Zhang, J., Ma, J., Wan, Y., Jiang, J., Zhao, X.S. (2012-02-15). Dendritic Pt-Cu bimetallic nanocrystals with a high electrocatalytic activity toward methanol oxidation. Materials Chemistry and Physics 132 (2-3) : 244-247. ScholarBank@NUS Repository. https://doi.org/10.1016/j.matchemphys.2011.12.024|
|Abstract:||Dendritic Pt-Cu bimetallic nanocrystals were synthesized by one-step aqueous-phase reduction of H 2PtCl 6 and CuCl 2 at a mild temperature (60°C). The morphology and composition of the dendritic Pt-Cu nanocrystals were characterized by means of high-resolution transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and energy dispersive X-ray spectrometer. The electrochemical properties were characterized by the cyclic voltammetry technique. It was found that the dendritic Pt-Cu bimetallic nanocrystals exhibited a higher catalytic activity toward the electro-oxidation of methanol than commercial Pt/C catalyst The enhanced catalytic activity would be contributed to the unique dendritic structure and the formation of Pt-Cu alloy nanocrystals. © 2011 Elsevier B.V. All rights reserved.|
|Source Title:||Materials Chemistry and Physics|
|Appears in Collections:||Staff Publications|
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