Synthesis of monodisperse palladium nanocubes and their catalytic activity for methanol electrooxidation |
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| Authors: | Ding Hao Shi Xue-Zhao Shen Cheng-Min Hui Chao Xu Zhi-Chuan Li Chen Tian Yuan Wang Deng-Ke and Gao Hong-Jun |
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| Affiliation: | Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | 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. |
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| Keywords: | Pd nanocubes electrocatalytic activity methanol oxidation fuel cell |
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