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Issue 10, 2008
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On the stabilization of conducting pernigraniline salt by the synthesis and oxidation of polyaniline in hydrophobic ionic liquids

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Abstract

The electrochemical polymerization of aniline in a hydrophobic room-temperature ionic liquid and the spectroelectrochemical characterization of the formed film are presented. The polymerization occurs without the presence of acid in 1-butyl-2,3-dimethylimidazolium bis(trifluoromethanesulfonyl)imide (BMMITFSI), leading to a very stable electroactive material where no degradation was observed even at high applied potentials. Both in situUV-Vis and Raman spectroscopic studies provided evidence for the stabilization of pernigraniline salt at high oxidation potentials and that this polyaniline state is the conducting form, as was corroborated by in situ resistance measurements. These data are indicative that low conductivity is not an intrinsic property of pernigraniline salt and this point must be reconsidered.

Graphical abstract: On the stabilization of conducting pernigraniline salt by the synthesis and oxidation of polyaniline in hydrophobic ionic liquids

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Publication details

The article was received on 19 Sep 2007, accepted on 19 Dec 2007 and first published on 18 Jan 2008


Article type: Paper
DOI: 10.1039/B714458J
Citation: Phys. Chem. Chem. Phys., 2008,10, 1457-1462
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    On the stabilization of conducting pernigraniline salt by the synthesis and oxidation of polyaniline in hydrophobic ionic liquids

    F. F. C. Bazito, L. T. Silveira, R. M. Torresi and S. I. Córdoba de Torresi, Phys. Chem. Chem. Phys., 2008, 10, 1457
    DOI: 10.1039/B714458J

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