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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/7173
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dc.contributor.authorLakshminarayanan, V.-
dc.contributor.authorJagadeesh, R.Venkata-
dc.date.accessioned2019-03-05T18:04:12Z-
dc.date.available2019-03-05T18:04:12Z-
dc.date.issued2019-02-15-
dc.identifier.citationJournal of Electroanalytical Chemistry, 2019, Vol 835, p338-345en_US
dc.identifier.issn1572-6657-
dc.identifier.urihttp://hdl.handle.net/2289/7173-
dc.descriptionRestricted Access.en_US
dc.description.abstractThe spontaneous self-assembly process of phosphoric acids (PAs) onto indium tin oxide (ITO) surface has been studied in this work. We have carried out in situ adsorption kinetics studies of phosphoric acids in ethanol as a solvent using electrochemical impedance spectroscopy (EIS). Further, the effect of different solvents like ethanol, water, toluene and hexane on the structural integrity of the alkylphosphonic acid (CH3 (CH2)n PO3H2, n = 15,17) thin films on ITO surface has been investigated by using [Fe(CM)6]3‐/4‐ as a redox probe. From the study of formation kinetics, it is concluded that molecular self-assembly process follows two adsorption steps, a fast first step followed by a slower second step. The results of cyclic volumetric (CV) and impedance measurements show that phosphoric acids form a highly impermeable surface film on ITO when polar solvents like ethanol and water are used.en_US
dc.language.isoenen_US
dc.publisherElsevier B. V.en_US
dc.relation.urihttps://doi.org/10.1016/j.jelechem.2019.01.016en_US
dc.rights2019 Elsevier B. V.en_US
dc.subjectPhosphonic aciden_US
dc.subjectSelf-assemblyen_US
dc.subjectITOen_US
dc.subjectCapacitanceen_US
dc.subjectAdsorption kineticsen_US
dc.subjectMicroelectrode arrayen_US
dc.subjectContact angleen_US
dc.titleEffect of solvents on the self-assembly of long chain alkylphosphonic acids on indium tin oxide surface - In situ studies on the adsorption kinetics and electron transfer processen_US
dc.typeArticleen_US
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