Abstract
Poly(N,N-dimethylaniline) (PDMA) was formed by successive cyclic voltammetry in monomer solution in the presence of sodium dodecyl sulfate (SDS) on the surface of a carbon paste electrode. The polymerization behavior of N,N-dimethylaniline in the presence of SDS is quite different from that of N,N-dimethylaniline in the absence of SDS. The effect of varying amount of SDS on the rate of polymerization of N,N-dimethylaniline was investigated. The electrochemical behavior of the SDS-PDMA carbon paste electrode has been investigated by cyclic voltammetry in 0.5 M H2SO4 and 5 mM K4[Fe(CN)6]/0.1 M KCl solutions as the supporting electrolyte and model system, respectively. The synthesized PDMA was characterized by FT-IR and scanning electron microscopy (SEM). Ni(II) ions were incorporated into the electrode by immersion of the polymeric modified electrode having amine groups in 0.1 M Ni(II) ion solution. The electro catalytic oxidations of methanol at the surface of the Ni/SDS-PDMA electrode were studied in a 0.1 M NaOH solution. Compared to bare carbon paste and PDMA-modified carbon paste electrodes; the SDS-PDMA electrode significantly enhanced the catalytic efficiency of Ni ions for methanol oxidation.
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Published in Russian in Elektrokhimiya, 2014, Vol. 50, No. 11, pp. 1198–1206.
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Fathi, S., Mahdavi, M.R. Electropolymerization of N,N-dimethylaniline in presence of sodium dodecyl sulfate and its electrochemical properties. Russ J Electrochem 50, 1077–1084 (2014). https://doi.org/10.1134/S1023193514090031
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DOI: https://doi.org/10.1134/S1023193514090031