Functionalization of conducting polymer with novel Co(II) complex: Electroanalysis of ascorbic acid |
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Authors: | Swati Mohan Rajiv Prakash |
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Affiliation: | School of Materials Science and Technology, Institute of Technology, Banaras Hindu University, Varanasi 221005, India |
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Abstract: | We report for the first time the functionalization of a conducting polymer with a metal complex in order to develop a new type of catalytic material exhibiting better electronic communication through their delocalized π electrons. The Co(II) complex having hydroxyl group as functional moiety is chemically coupled with carboxyl group of polyanthranilic acid which itself is a self doped conducting polymer. The covalent linkage between Co(II) and –OH group is confirmed using UV–vis, FT-IR and NMR spectroscopic techniques. The Co(II) complex functionalized polymer does exhibit excellent redox behavior and stability with mixed properties of Co(II) complex and π-conjugated polymer. The material possesses potential benefits in sensors/biosensor applications and it is demonstrated for the electroanalysis of ascorbic acid at a level of nano molar concentration. |
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