Uniform and strongly adherent coatings of poly(aniline-co-o-toluidine) (PAOT) copolymer were synthesized on copper (Cu) by the electrochemical copolymerization of aniline and o-toluidine. Additionally, individual polymer coatings of polyaniline (PANI) and polytoluidine (POT) were synthesized on copper under cyclic voltammetric conditions. Aqueous oxalate solutions were used as the supporting electrolytes for the synthesis of PAOT, PANI and POT coatings on Cu. The resulting coatings were characterized using various spectroscopic techniques, such as cyclic voltammetry, ultraviolet-visible absorption spectroscopy, Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (NMR), and scanning electron microscopy. The comparative study of the characterization results was carried out for PAOT5, POT, and PANI coatings.
According to the FTIR and NMR spectroscopy studies, the copolymerization of aniline and o-toluidine takes place on Cu substrates from aqueous oxalate solutions, resulting in the PAOT copolymer. The studies also show that there are more o-toluidine units than aniline units in the resulting copolymer.
Author(s) Details:
Pritee Raotole,
MGSM’s Arts, Science and Commerce College, Chopda, Dist-Jalgaon 425107, Maharashtra, India.
S. R. Patil,
MGSM’s Arts, Science and Commerce College, Chopda, Dist-Jalgaon 425107, Maharashtra, India.
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