Beta-functionalised polythiophenes as microelectrode modifiers in low conductive media |
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Authors: | Cocchi Marina Franchini GianCarlo Manfredini Matteo Marchetti Andrea Pigani Laura Seeber Renato Tassi Lorenzo Ulrici Alessandro Vignali Moris Zanardi Chiara Zannini Paolo |
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Affiliation: | Dipartimento di Chimica, Università degli Studi di Modena e Reggio Emilia, Via G. Campi 183, 41100 Modena, Italy. |
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Abstract: | A study on polythiophene coated microelectrodes is reported, the goal being that of checking the capability of these electrochemical systems to work in low conductive media. The possibility of electrochemically p-doping the polymer in the presence of very low concentrations or even in the absence of supporting electrolyte in the solution is ascertained, opening the way to the use of similar systems in pure solvent media. This result is obtained in such conditions that the presence of residual charges--and corresponding counterions--trapped inside the film coating can be reasonably hypothesised. |
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