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Cyclic voltammetric and electrochemical impedance studies on the structure, adsorption kinetics, and barrier properties of some organic dithiol self-assembled monolayers on gold

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dc.contributor.authorSur, Ujjal Kumar
dc.contributor.authorSubramanian, R.
dc.contributor.authorLakshminarayanan, V.
dc.date.accessioned2007-06-28T07:19:45Z
dc.date.available2007-06-28T07:19:45Z
dc.date.issued2003-10-01
dc.descriptionRestricted Access.en
dc.description.abstractWe have studied the orientation and barrier properties of self-assembled monolayers (SAMs) of two alkanedithiols, hexanedithiol, octanedithiol, and an aromatic dithiol, 1,4-benzene dimethanethiol (BDMT), on gold in acetonitrile. From our studies, we conclude that BDMT molecules can form more organized monolayers on gold than aliphatic dithiol SAMs due to extremely strong lateral van der Waals interaction among the phenyl rings in the former. A study of the adsorption kinetics of octanedithiol in ethanol indicates that the adsorption rate law is concentration dependent just as for alkanethiols. However, the rate of adsorption is considerably faster than for simple alkanethiols.en
dc.format.extent170129 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.citationJournal of Colloid and Interface Science, 2003, Vol.266, p175 -182en
dc.identifier.issn0021-9797
dc.identifier.urihttp://hdl.handle.net/2289/3162
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.urihttp://dx.doi.org/10.1016/S0021-9797(03)00568-Xen
dc.rights2003 Elsevier B.V.en
dc.subjectDithiol;en
dc.subjectCapacitance;en
dc.subjectAdsorption kinetics;en
dc.subjectDisorganization;en
dc.subjectAcetonitrileen
dc.titleCyclic voltammetric and electrochemical impedance studies on the structure, adsorption kinetics, and barrier properties of some organic dithiol self-assembled monolayers on golden
dc.typeArticleen

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