Abstract
A conductive and electroactive polythiophene film has been electrochemically polymerized in phosphoric acid aqueous solution. The reflecting FT-i.r., u.v. and e.s.r. spectra and scanning electron micrographs (SEM) were compared with those of polythiophene obtained in organic solvents. The value of the conductivity measured by the four-probe method is less than that of the film prepared in organic solvents. Its electrochemical properties were investigated in aqueous solution with or without electroactive species. Experimental results indicate that the polythiophene film is different from the film prepared in organic solvents.
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