Electrochemical behaviour of conducting polymers obtained into clay-catalyst layers. An in situ Raman spectroscopy study |
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Authors: | Nadia Boutaleb,Horacio J. Salavagione,Emilia Moralló n |
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Affiliation: | a Université d’Oran Es-senia, Département de Chimie, Faculté des Sciences, BP 1524, El M‘nouar, 31000 Oran, Algeria b Universidad de Alicante, Departamento de Química Física, Apartado 99, 03080 Alicante, Spain |
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Abstract: | In this paper we present the study of the electrochemical properties of the following conducting polymers: poly(o-anisidine), polyaniline and copolymers of aniline and o-anisidine obtained by a new synthetic method. The polymers are synthesized in free-of-acid conditions, using an activated montmorillonitic clay catalyst, known as Maghnite-H+ (Mag-H) as proton source. The electrochemical behaviour of poly(o-anisidine) created using Mag-H (PoANI-MagH) and their copolymers with aniline is quite different of those polymers created in HCl solution. In situ Raman data suggest that the structure of PoANI-MagH is a mixture of conducting (polyaniline-type) and redox (phenoxazine or phenazine-type) segments. |
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Keywords: | Conducting polymers Montmorillonite clay Nanocomposites In situ Raman spectroscopy |
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