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The electrochemical synthesis of poly(N-phenylpyrrole) film was achieved on pretreated iron and platinum electrodes in acetonitrile solutions containing 0.1 M N-phenylpyrrole as the monomer and 0.1 M tetrabutylammonium trifluoromethane sulfonate ( Bu 4 NCF 3 SO 3 ) as the supporting-salt. The results showed that a surface treatment by 10 % aqueous nitric acid inhibits iron dissolution without preventing the N-phenylpyrrole oxidation. Very strongly adherent films were obtained at constant-potential, constant-current and cyclic voltammetry. XPS measurements, infrared (FT-IR) and electronic absorption (UV-vis) spectroscopies were used to characterize the iron and platinum-coated electrodes. Finally the anticorrosion properties of the P f P film were evidenced. KEY WORDS: Polypyrrole, Poly(N-phenylpyrrole), Electropolymerization, Conducting polymers, Corrosion Bull. Chem. Soc. Ethiop. 2008 , 22(3), 403-413.

bulletin of the chemical society of ethiopia

&lt;b&gt;Electrochemical synthesis and spectroscopic characterization of poly(N-phenylpyrrole) coatings in an organic medium on iron and platinum electrodes&lt;/b&gt;