Electrochemical properties of polyaniline film doped by Ce3+ cation

Russian Journal of Electrochemistry - Tập 49 - Trang 188-195 - 2013
V. V. Abalyaeva1, N. N. Dremova1
1Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, Russia

Tóm tắt

Electrochemical Synthesis (ES)of polyaniline (PAni) is carried out in the presence in electrolyte (1 M H2SO4) of cerium (III) sulfate under potentiostatic and potentiodynamic modes. It is shown that Ce3+ cations in electrolyte catalyze ES, i.e. accelerate both ES variants. The obtained polymers were characterized using the scanning electron microscopy (SEM) technique and also on the basis of the calculation of electrochemical characteristics. Relaxation in PAni polymers doped by the Ce3+ cation occurs several times faster than in proton-doped PAni. The minimum change in ΔE and E is observed in polymers doped by Ce3+ cations during the electrochemical cycling of PAni and PAni-Ce at high rates.

Tài liệu tham khảo

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