Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0022-0728(02)01440-7
Title: Electron transfer kinetics across a dodecanethiol monolayer self assembled on gold
Authors: Xing, Y.F.
O'Shea, S.J.
Li, S.F.Y. 
Keywords: Alkanethiol monolayer
Electron transfer coefficient
Electron transfer kinetics
Gold electrode
Impedance
Issue Date: 30-Jan-2003
Source: Xing, Y.F., O'Shea, S.J., Li, S.F.Y. (2003-01-30). Electron transfer kinetics across a dodecanethiol monolayer self assembled on gold. Journal of Electroanalytical Chemistry 542 : 7-11. ScholarBank@NUS Repository. https://doi.org/10.1016/S0022-0728(02)01440-7
Abstract: An investigation of the kinetics of electron transfer across a self assembled dodecanethiol monolayer between [Fe(CN)6]3-/4- and a gold electrode has been carried out using electrochemical impedance spectroscopy (EIS) at various negative dc potentials relative to the formal potential of the [Fe(CN)6]3-/4- couple. Analysis of the data obtained from fitting to the Randles model shows: (a) the electron transfer coefficient α is dependent on potential; and (b) the monolayer formed by the dodecanethiol does not appear to be modified (e.g. no defects are observed) when probed by the [Fe(CN)6]3-/4- couple over the potential range used in the study, which is 0 to -0.7 V versus formal potential of [Fe(CN)6]3-/4-. © 2002 Elsevier Science B.V. All rights reserved.
Source Title: Journal of Electroanalytical Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/93713
ISSN: 00220728
DOI: 10.1016/S0022-0728(02)01440-7
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