Evaluation of the Addition of O-Toluidine and Nano-Ag on The Optical and Electrical Properties of PEDOT-PSS Polymer

In this work, we investigate the optical and electrical properties of PEDOT-PSS:PVA:POT and PEDOT-PSS:PVA:POT:AgNPs thin films, by adding different concentrations of POT (1, 5, and 9 v% ). The thin films were deposited using the spin coating method. UV-Vis spectroscopy was used to inspect the structure of the created tests. Transmittance estimations were conducted within the wavelength range of 200-900 nm to calculate the optical energy gap. The results showed that the absorption and energy bandgap decreased with the addition of Ag and different ratios of POT, while the electrical conductivity decreased in the presence of Ag. The electrical conductivity values were (2.28×10-9, 2.57×10-9, and 2.99×10-8) S.cm-1 for PEDOT-PSS:PVA:POT and (2.9×10-7, 1.04×10-6, and 4×10-7) S.cm-1 for PEDOT-PSS:PVA:POT:AgNPs.