The co-adsorption of sodium dodecyl sulfate (SDS) and sodium dodecylbenzenesulfonate (SDBS), on the 1-decanethiol self-assembled monolayer (SAM)-functionalized polycrystalline gold surface, is investigated by electrochemical techniques. The peak current (cyclic voltammetry) and charge transfer resistance (impedance spectra) variations are measured, concerning the [Fe(CN)6]3−/[Fe(CN)6]4− couple redox process. SDBS is found to yield a more efficient inhibiting barrier (towards the charge transfer process), when compared to the SDS one. Thus, it is suggesting that a higher tendency of SDBS to be co-adsorbed within the 1-decanethiol SAM with respect to SDS.

On the co-adsorption process of sodium dodecyl sulfate and sodium dodecylbenzenesulfonate on a 1-decanethiol-functionalized Au electrode, as a corrosion inhibiting mimic process / Fontanesi, Claudio; Camurri, Giulio; Tassinari, Francesco. - In: JOURNAL OF APPLIED ELECTROCHEMISTRY. - ISSN 0021-891X. - STAMPA. - 43(2013), pp. 101-106. [10.1007/s10800-012-0486-1]

On the co-adsorption process of sodium dodecyl sulfate and sodium dodecylbenzenesulfonate on a 1-decanethiol-functionalized Au electrode, as a corrosion inhibiting mimic process

FONTANESI, Claudio
;
TASSINARI, FRANCESCO
2013

Abstract

The co-adsorption of sodium dodecyl sulfate (SDS) and sodium dodecylbenzenesulfonate (SDBS), on the 1-decanethiol self-assembled monolayer (SAM)-functionalized polycrystalline gold surface, is investigated by electrochemical techniques. The peak current (cyclic voltammetry) and charge transfer resistance (impedance spectra) variations are measured, concerning the [Fe(CN)6]3−/[Fe(CN)6]4− couple redox process. SDBS is found to yield a more efficient inhibiting barrier (towards the charge transfer process), when compared to the SDS one. Thus, it is suggesting that a higher tendency of SDBS to be co-adsorbed within the 1-decanethiol SAM with respect to SDS.
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On the co-adsorption process of sodium dodecyl sulfate and sodium dodecylbenzenesulfonate on a 1-decanethiol-functionalized Au electrode, as a corrosion inhibiting mimic process / Fontanesi, Claudio; Camurri, Giulio; Tassinari, Francesco. - In: JOURNAL OF APPLIED ELECTROCHEMISTRY. - ISSN 0021-891X. - STAMPA. - 43(2013), pp. 101-106. [10.1007/s10800-012-0486-1]
Fontanesi, Claudio; Camurri, Giulio; Tassinari, Francesco
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1064769
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