Electrochemical Studies of the Alkanethiols Film Adsorbed on Gold in the Solution of K3Fe(CN)6/K4Fe(CN)6

Abstract

Abstract: The self assembled monolayers(SAMs) of octadecanethiol and dodecylthiol are prepared. Its electrochemical behaviors in the solution of Fe(CN)₆^3-/Fe(CN)₆^4-with various concentrations are investigated by electrochemical impedance spectroscopy and cyclic voltammetry technology. Although there are no diffusion behavior in CV and EIS results, comparing with the theoretical results, it can be induced that there may be some collapsed or loosely packed sites (defects) in monolayers which provide a mechanism for rapid electron transfer.

Key words: Electrochemical impedance spectroscopy, Cyclic voltammetry, Alkanethiols, Self assembled monolayers, Defects

CLC Number:

O657

TrendMD:

CUI Xiao-Li, JIANG Dian-Lu, LI Jun-Xin, DIAO Peng, TONG Ru-Ting, WANG Xin-Kui. Electrochemical Studies of the Alkanethiols Film Adsorbed on Gold in the Solution of K₃Fe(CN)₆/K₄Fe(CN)₆[J]. Chem. J. Chinese Universities, 1999, 20(5): 800.

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Electrochemical Studies of the Alkanethiols Film Adsorbed on Gold in the Solution of K₃Fe(CN)₆/K₄Fe(CN)₆

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