Electrochemical behaviour of conducting polymers obtained into clay-catalyst layers. An in situ Raman spectroscopy study

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 montmor...

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Bibliographic Details
Published in:European polymer journal 2006-04, Vol.42 (4), p.733-739
Main Authors: Boutaleb, Nadia, Benyoucef, Abdelghani, Salavagione, Horacio J., Belbachir, Mohammed, Morallón, Emilia
Format: Article
Language:English
Subjects:
Applied sciences
Conducting polymers
Exact sciences and technology
In situ Raman spectroscopy
Montmorillonite clay
Nanocomposites
Physicochemistry of polymers
Polymerization
Polymers and radiations
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Summary: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.
ISSN:0014-3057
1873-1945
DOI:10.1016/j.eurpolymj.2005.10.012