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Polyaniline Doped with Poly(acrylamidomethylpropanesulphonic Acid): Electrochemical Behaviour and Conductive Properties in Neutral Solutions by Lyutov, Vladimir V.; Ivanov, Svetlozar D.; Mirsky, Vladimir M.; Tsakova, Vessela T. is a Chemistry article available to read on EtoBox.

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## Abstract Poly(2-acrylamido-2-methyl-1-propanesulphonic acid) (PAMPSA)-doped polyaniline (PANI) layers are synthesised in the presence of sulphuric and perchloric acids. The effects of the inorganic acid as well as of the electrochemical synthetic procedure (potentiostatic and potentiodynamic deposition) and thickness of the polymer layers are studied. The focus is directed towards the pH dependence of the electrochemical redox activity and conductivity of the PAMPSA-doped PANI layers obtained under different conditions. Ascorbic acid oxidation is used as a test reaction to study the electrocatalytic behaviour of various PAMPSA-doped PANI layers in neutral solution. It is found that the type of inorganic component present in the polymerisation solution has a marked effect on the extent of doping in acidic solutions as well as on the redox electroactivity in neutral solutions. A comparison between potentiostatically and potentiodynamically synthesised layers at pH 7 shows a markedly lower conductance and lower extent of redox charge preservation in the case of potentiodynamic synthesis. The PANI electrocatalytic activity for ascorbic acid oxidation is also dependent on the polymer

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Author

Lyutov, Vladimir V.; Ivanov, Svetlozar D.; Mirsky, Vladimir M.; Tsakova, Vessela T.

Publisher

Versita; Springer-Verlag; Springer International Publishing AG; Bratislava: Institute of Chemistry Slovak Academy of Sciences; Warszawa: Versita; Heidelberg: Springer, 2006-2014.; Bratislava: Institute of Chemistry Slovak Academy of Sciences; Berlin: De Gruyter, 2015-2016.; Bratislava: Institute of Chemistry Slovak Academy of Sciences; Heidelberg: Springer, 2017-; Bratislava: Institute of Chemistry Slovak Academy of Sciences; Warszawa: De Gruyter, 2016-2016; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0366-6352)

Published

2013

Language

EN

Field

Chemistry (Physical Sciences)