Effect of Applied Voltage on the Electrochemical Copolymerization of Thiophene and Dithenopyrrole Derivatives

The linear sweep voltammetry potentiostatic approach was employed to electrochemically synthesize the conjugated copolymers P(3HT-random-HPDTP) at three distinct applied voltages (1.4, 1.435, 1.6 V). In relation their synthesis conditions, chemical structural, optical, and electrical properties were investigated compared using Fourier transform infrared (FTIR) spectroscopy, UV‒Vis absorption cyclic (CV). results indicated that choosing a suitable voltage in electropolymerization process significantly improved electrochemical stability lowered HOMO level of copolymer.