Effect of an alkylsilane monolayer on an indium-tin oxide surface on the electrochemistry of hexacyanoferrate

Inna Markovich; Daniel Mandler

doi:10.1016/S0022-0728(00)00084-X

Effect of an alkylsilane monolayer on an indium-tin oxide surface on the electrochemistry of hexacyanoferrate

Inna Markovich
, Daniel Mandler

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

The presence of a disorganized octadecylsilane, C₁₈, monolayer on an indium-tin oxide (ITO) electrode has a profound effect on the electrochemistry of hexacyanoferrate, Fe(CN)₆^3-/4-. We found that the alkylsilane monolayer forms a hydrophobic matrix, which affects the heterogeneous rate of electron transfer of the metallic complex, depending on the nature of the counter cation presence in the solution. A model is suggested which accounts for these effects as well as for the changes in the formal redox potential that are observed.

Original language	English
Pages (from-to)	194-202
Number of pages	9
Journal	Journal of Electroanalytical Chemistry
Volume	484
Issue number	2
DOIs	https://doi.org/10.1016/S0022-0728(00)00084-X
State	Published - 17 Apr 2000

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Funding Information:
This research was supported by the Bi-National Science Foundation (97-00198).

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10.1016/S0022-0728(00)00084-X

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title = "Effect of an alkylsilane monolayer on an indium-tin oxide surface on the electrochemistry of hexacyanoferrate",

abstract = "The presence of a disorganized octadecylsilane, C18, monolayer on an indium-tin oxide (ITO) electrode has a profound effect on the electrochemistry of hexacyanoferrate, Fe(CN)63-/4-. We found that the alkylsilane monolayer forms a hydrophobic matrix, which affects the heterogeneous rate of electron transfer of the metallic complex, depending on the nature of the counter cation presence in the solution. A model is suggested which accounts for these effects as well as for the changes in the formal redox potential that are observed.",

author = "Inna Markovich and Daniel Mandler",

note = "Funding Information: This research was supported by the Bi-National Science Foundation (97-00198).",

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AU - Markovich, Inna

AU - Mandler, Daniel

N1 - Funding Information: This research was supported by the Bi-National Science Foundation (97-00198).

PY - 2000/4/17

Y1 - 2000/4/17

N2 - The presence of a disorganized octadecylsilane, C18, monolayer on an indium-tin oxide (ITO) electrode has a profound effect on the electrochemistry of hexacyanoferrate, Fe(CN)63-/4-. We found that the alkylsilane monolayer forms a hydrophobic matrix, which affects the heterogeneous rate of electron transfer of the metallic complex, depending on the nature of the counter cation presence in the solution. A model is suggested which accounts for these effects as well as for the changes in the formal redox potential that are observed.

AB - The presence of a disorganized octadecylsilane, C18, monolayer on an indium-tin oxide (ITO) electrode has a profound effect on the electrochemistry of hexacyanoferrate, Fe(CN)63-/4-. We found that the alkylsilane monolayer forms a hydrophobic matrix, which affects the heterogeneous rate of electron transfer of the metallic complex, depending on the nature of the counter cation presence in the solution. A model is suggested which accounts for these effects as well as for the changes in the formal redox potential that are observed.

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Effect of an alkylsilane monolayer on an indium-tin oxide surface on the electrochemistry of hexacyanoferrate

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