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Synthesis of monodisperse palladium nanocubes and their catalytic activity for methanol electrooxidation

Synthesis of monodisperse palladium nanocubes and their catalytic activity for methanol electrooxidation
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摘要 The single crystalline palladium nanocubes with an average size of 7 nm were prepared in the presence of poly (vinyl pyrrolidone) (PVP) and KBr using the polyol method. The as-prepared Pd nanocubes were highly uniform in both size and shape. The ordered packing structures including monolayer and multilayer can be fabricated via the rate-controlled evaporation of solution solvent. The electrochemical catalytic activity of these Pd nanocubes towards methanol oxidation was found to be higher than that of spherical Pd nanoparticles of similar size. The single crystalline palladium nanocubes with an average size of 7 nm were prepared in the presence of poly (vinyl pyrrolidone) (PVP) and KBr using the polyol method. The as-prepared Pd nanocubes were highly uniform in both size and shape. The ordered packing structures including monolayer and multilayer can be fabricated via the rate-controlled evaporation of solution solvent. The electrochemical catalytic activity of these Pd nanocubes towards methanol oxidation was found to be higher than that of spherical Pd nanoparticles of similar size.
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2010年第10期370-374,共5页 中国物理B(英文版)
基金 Project supported by the National Natural Science Foundation of China (Grant Nos. 60571045 and 50872147) the National High Technology Research and Development Program of China (Grant No. 2007AA03Z035)
关键词 Pd nanocubes electrocatalytic activity methanol oxidation fuel cell Pd nanocubes, electrocatalytic activity, methanol oxidation, fuel cell
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