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ISSN 1000-6818CN 11-1892/O6CODEN WHXUEU
Acta Phys Chim Sin >> 2006,Vol.22>> Issue(12)>> 1506-1510     doi: 10.3866/PKU.WHXB20061214         中文摘要
Electrochemical Deposition of Bunchy Nanostructured Platinum from Lyotropic Liquid Crystal Template
CHAI Yong-Cun;CHEN Xiao;SUI Zhen-Ming;ZHUANG Wen-Chang
(Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University, Jinan 250100, P. R. China)
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Nanostructured platinum is prepared by electrochemical deposition from the lamellar lyotropic liquid crystalline phase, composed of the nonionic triblock copolymer EO106PO70EO106 (F127), n-butanol and H2PtCl6 aqueous solution. Observations from the transmission or scanning electron microscopes illustrate that the deposit is of bunchy nanostructure, clustered by nanowires with high aspect ratio. Analysis on energy dispersion spectrum and the electrode potentials suggests the platinum metal nature of the deposit. The results of cyclic voltammetry show a high specific surface area (about 53 m2•g−1) for the deposit. The factors influencing the deposit morphology and the possible deposition mechanism are discussed.

Keywords: Block copolymer   Lyotropic liquid crystal   Lamellar phase   Nanomaterial  
Received: 2006-06-13 Accepted: 2006-08-10 Publication Date (Web): 2006-12-06
Corresponding Authors: CHEN Xiao Email: xchen@sdu.edu.cn


Cite this article: CHAI Yong-Cun;CHEN Xiao;SUI Zhen-Ming;ZHUANG Wen-Chang. Electrochemical Deposition of Bunchy Nanostructured Platinum from Lyotropic Liquid Crystal Template[J]. Acta Phys. -Chim. Sin., 2006,22 (12): 1506-1510.    doi: 10.3866/PKU.WHXB20061214
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