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

doi:10.1088/1674-1056/19/10/106104

中国物理B ›› 2010, Vol. 19 ›› Issue (10): 106104-106104.doi: 10.1088/1674-1056/19/10/106104

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

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

丁皓, 时雪钊, 申承民, 惠超, 徐梽川, 李晨, 田园, 王登科, 高鸿钧

Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

收稿日期:2009-11-09 修回日期:2010-05-14 出版日期:2010-10-15 发布日期:2010-10-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 60571045 and 50872147) and the National High Technology Research and Development Program of China (Grant No. 2007AA03Z035).

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

Ding Hao(丁皓), Shi Xue-Zhao(时雪钊), Shen Cheng-Min(申承民), Hui Chao(惠超), Xu Zhi-Chuan(徐梽川), Li Chen(李晨), Tian Yuan(田园), Wang Deng-Ke(王登科), and Gao Hong-Jun(高鸿钧)^†

Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

Received:2009-11-09 Revised:2010-05-14 Online:2010-10-15 Published:2010-10-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 60571045 and 50872147) and the National High Technology Research and Development Program of China (Grant No. 2007AA03Z035).

摘要/Abstract

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.

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.

Key words: Pd nanocubes, electrocatalytic activity, methanol oxidation, fuel cell

中图分类号: (Structure of nanoscale materials)

61.46.-w

68.65.Ac (Multilayers) 81.16.Pr (Micro- and nano-oxidation) 82.45.Rr (Electroanalytical chemistry) 82.80.Fk (Electrochemical methods)

丁皓, 时雪钊, 申承民, 惠超, 徐梽川, 李晨, 田园, 王登科, 高鸿钧. Synthesis of monodisperse palladium nanocubes and their catalytic activity for methanol electrooxidation[J]. 中国物理B, 2010, 19(10): 106104-106104.

Ding Hao(丁皓), Shi Xue-Zhao(时雪钊), Shen Cheng-Min(申承民), Hui Chao(惠超), Xu Zhi-Chuan(徐梽川), Li Chen(李晨), Tian Yuan(田园), Wang Deng-Ke(王登科), and Gao Hong-Jun(高鸿钧). Synthesis of monodisperse palladium nanocubes and their catalytic activity for methanol electrooxidation[J]. Chin. Phys. B, 2010, 19(10): 106104-106104.

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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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