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A correlation of electrochemical and spectroelectrochemical properties of poly(o-toluidine) |
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| Authors: | Salma Bilal Rudolf Holze |
| Affiliation: | a Department of Chemistry, Kohat University of Science and Technology, Kohat, Pakistan b Institute of Chemical Sciences, University of Peshawar, Peshawar, Pakistan c Institut für Chemie, AG Elektrochemie, Technische Universität Chemnitz, 09107 Chemnitz, Germany |
| Abstract: | A comparative discussion of the electrochemical and spectroelectrochemical properties of poly(o-toluidine) POT, a methyl substituted derivative of polyaniline, PANI, is presented. POT exists in various oxidation states and shows an insulator to conductor transition when doped by electrooxidation. The transformation of the polymer film from its non-conducting leucoemeraldine to its conducting emeraldine state and further on to its again non-conducting pernigraniline form was observed with different techniques including cyclic voltammetry, in situ conductivity measurements and in situ UV-vis and Raman spectroelectrochemical methods. Results reveal that POT shows a good correlation between its electrochemical and spectroelectrochemical properties in its different oxidation states. |
| Keywords: | Poly(o-toluidine) Cyclic voltammetry In situ conductivity In situ UV-vis spectroelectrochemistry Raman spectroelectrochemistry |
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