Electrochemical impedance spectroscopy of poly{pyrrole-trans-[(RuCl2(pmp)4]} copolymer films deposited on platinum electrodes |
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| Authors: | Merlin C. E. Bandeira César V. Franco Emilse Martini |
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| Affiliation: | (1) LEC/LABMAT, Departamento de Química, UFSC 88040-900 Florianópolis, SC Brazil, BR;(2) Instituto de Química, UFRGS, Porto Alegre RS, Brazil, BR |
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| Abstract: | ![]()
The present study focuses on the electronic and electrochemical features of a copolymer electrochemically grown from pyrrole and trans-[RuCl2(pmp)4] monomers, where pmp = 3-(pyrrol-1-ylmethyl)pyridine. The results from electrochemical impedance spectroscopy analyses revealed the redox behavior of the poly{pyrrole-trans-[RuCl2(pmp)4]} compound as well as the non-homogeneous nature of the extremely thin polymeric layers. An equivalent circuit is proposed for an optimized film produced under the scope of the work. Received: 4 May 1998 / Accepted: 24 August 1998 |
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| Keywords: | Electrochemical impedance spectroscopy Pyrrole copolymers Ruthenium complex Equivalent circuit Electropolymerization |
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