Effect of sodium dodecyl sulfate and carbon particles/nanotubes on electrodeposition of polyaniline from oxalic acid solutionстатья

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Дата последнего поиска статьи во внешних источниках: 27 марта 2018 г.

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[1] Effect of sodium dodecyl sulfate and carbon particles/nanotubes on electrodeposition of polyaniline from oxalic acid solution / A. V. Syugaev, N. V. Lyalina, A. N. Maratkanova, A. A. Shakov // Journal of Solid State Electrochemistry. — 2018. — Vol. 22, no. 3. — P. 931–942. The effect of sodium dodecyl sulfate and carbon particles/nanotubes on the electropolymerization of aniline from oxalic acid solution onto a graphite electrode was investigated. The morphology and chemical structure of the as-synthesized polyaniline films were studied by means of SEM, XPS, NEXAFS, FTIR, and Raman spectroscopy. The electrochemical characteristics of the films were also analyzed in sulfuric acid solution. It has been shown that in the presence of sodium dodecyl sulfate, the polymerization rate increases significantly. In the synthesized polyaniline films, all imine groups and most of amine groups are protonated, with dodecyl sulfate ions being intercalated in the polymer. In the presence of sodium dodecyl sulfate, plate-like polyaniline forms large agglomerates with an extended surface and high electrochemical activity. It has been shown that the electrodeposition carried out in the presence of sodium dodecyl sulfate and suspended activated graphite particles or carbon nanotubes favors the formation of composite coatings with high specific capacitance. [ DOI ]

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