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The catalytic performance of Pt-based nanocatalysts is closely related to the morphology and structure of the catalysts. We report herein the preparation of novel PtPd nanocatalysts with a hollow structure through a special galvanic replacement reaction and the high reaction selectivity of one kind of triblock pluronic copolymers. P123 (PEO19-PPO69-PEO19) has unique selectivity for the reduction of...
We report the synthesis and characterization of hollow PtNi nanospheres by chemical successive-reduction method. The results of X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) account for the alloy formation between Pt and Ni and electronic structure change of Pt in the alloy. The prepared nanospheres show a high activity and stability for electrocatalytic oxidation of methanol...
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