Electrochemical studies of osmium-(pyrrole-methyl) pyridine-co-polymers deposited using the membrane template method |
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Authors: | Susan Warren Timothy McCormac |
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Affiliation: | Centre for Research in Electroanalytical Technologies (CREATE), Department of Science, Institute of Technology Tallaght, Tallaght, Dublin 24, Ireland |
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Abstract: | The electrochemical characterisation of films formed by co-polymerisation of [Os(2,2′-bipyridine)2XCl] (Os-PMP) where X is 3-(pyrrole-1yl-methyl)pyridine with 3-methyl thiophene or 1,2-diaminobenzene was carried out. The use of the membrane template method, which allowed growth of tubules of redox co-polymer was employed in the case of 1,2-diaminobenzene. Cyclic voltammetry allowed formation of the most stable 3-methylthiophene/Os-PMP films while chronocoulometry was used to co-polymerise Os-PMP with 1,2-diaminobenzene, resulting in stable films of co-polymer micro-tubules with thin-film behaviour up to 0.5 V s−1 (r2 = 0.9997). Surface analysis was carried out using SEM. |
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Keywords: | Osmium complex Co-polymer Membrane template method |
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