Electrochemical Fabrication of Cubic-Shaped Pt Nanoparticles onto Carbon Fiber Electrodes

Cubic-shaped Pt nanoparticles have been deposited on carbon fiber (CF) electrode surfaces directly by two electrochemical techniques, namely, potential cycling and stepping in an aqueous solution of 1 mM K(2)PtCl(4) and 0.1 M H(2)SO(4) containing 1 mM NaI. It is shown that both nucleation and growth...

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Published inDenki kagaku oyobi kōgyō butsuri kagaku Vol. 78; no. 2; pp. 132 - 135
Main Authors Ohta, N, Inokuma, K, Miyabayashi, K, Miyake, M, Yagi, I
Format Journal Article
LanguageEnglish
Published 01.02.2010
Online AccessGet full text
ISSN1344-3542
2186-2451
DOI10.5796/electrochemistry.78.132

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Abstract Cubic-shaped Pt nanoparticles have been deposited on carbon fiber (CF) electrode surfaces directly by two electrochemical techniques, namely, potential cycling and stepping in an aqueous solution of 1 mM K(2)PtCl(4) and 0.1 M H(2)SO(4) containing 1 mM NaI. It is shown that both nucleation and growth processes of the Pt phase formation on the CF surfaces were extensively suppressed by the strong interaction between Pt surface and I(-) anions. Consequently, this has lead to the formation of the highly dispersed preferentially cubic-shaped Pt nanoparticles.
AbstractList Cubic-shaped Pt nanoparticles have been deposited on carbon fiber (CF) electrode surfaces directly by two electrochemical techniques, namely, potential cycling and stepping in an aqueous solution of 1 mM K(2)PtCl(4) and 0.1 M H(2)SO(4) containing 1 mM NaI. It is shown that both nucleation and growth processes of the Pt phase formation on the CF surfaces were extensively suppressed by the strong interaction between Pt surface and I(-) anions. Consequently, this has lead to the formation of the highly dispersed preferentially cubic-shaped Pt nanoparticles.
Author Miyake, M
Miyabayashi, K
Inokuma, K
Ohta, N
Yagi, I
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Title Electrochemical Fabrication of Cubic-Shaped Pt Nanoparticles onto Carbon Fiber Electrodes
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