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The electropolymerization of o-anisidine leads to the formation of a polymer which is in the same time strongly oxidized and charged in a large potential range: the poly-o-methoxyaniline (POMA). The POMA Raman features are strongly different from the polyaniline (PANI) ones; in particular a new band, absent from the PANI spectrum, prevails in a large potential range. The nature of the polymer structures...
The structural and electronic characteristics of substituted polyanilines (PANI) were studied in order to understand why substituents on the aniline ring enhance, or not, the protection of iron against corrosion with respect to the protection given by an unsubstituted polyaniline layer. The substituent can modify the polaronic nature (localized or delocalized polaron, bipolaron) of polyaniline. “Electron...
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