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Citation: CHAI Yong-Cun, CHEN Xiao, SUI Zhen-Ming, ZHUANG Wen-Chang. Electrochemical Deposition of Bunchy Nanostructured Platinum from Lyotropic Liquid Crystal Template[J]. Acta Physico-Chimica Sinica, ;2006, 22(12): 1506-1510. doi: 10.3866/PKU.WHXB20061214 shu

Electrochemical Deposition of Bunchy Nanostructured Platinum from Lyotropic Liquid Crystal Template

1.
(Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University, Jinan 250100, P. R. China)

Received Date: 13 June 2006
Available Online: 6 December 2006

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.
- Block copolymer;Lyotropic liquid crystal;Lamellar phase;Nanomaterial
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