Abstract

Thin film conducting polymer thiophene based that is poly(3,4-ethylenedioxythiophene): poly(styrene sulphonic acid) (PEDOT:PSS) blended with Polyaniline (PANi) have been prepared with different composition by using drop casting technique. The optical characterization has been done by analyzing the absorbance spectra in the wavelength 300 to 800 nm. The electronic parameters were calculated by using Tauc/Davis-Mott Model. The results obtained showed that the absorbance, optical energy and Urbach energy were dependence on the ratio of PEDOT: PSS to PANi compositions.

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