Electrochemical impedance of poly(9-tosyl-9H-carbazole-co-pyrrole) electrocoated carbon fiber

► Impedance study of poly(9-tosyl-9H-carbazole-co-pyrrole) electrocoated carbon fiber. ► Copolymer of 9-tosyl-9H-carbazole and pyrrole were electrocoated on carbon fiber. ► Impedance spectroscopy and circuit models of poly(9-tosyl-9H-carbazole-co-pyrrole).