Abstract
In the present research work, the optical properties of one pot chemically synthesized polypyrrole/poly(vinyl acetate) composite films using FeCl3 as an oxidant have been studied. The result of X-ray diffraction (XRD) analysis depicts the amorphous nature of the prepared composites. The surface morphology of prepared sample was analysed through FE-SEM, which shows granular morphology. The ultraviolet-visible (UV-VIS) spectroscopy was employed to study optical parameters. The composite films exhibited strong absorption below 250 nm with well-defined absorption peak at around 225 nm. The optical band gap values of all prepared samples ranges over 2.876 – 3.843 eV. These obtained values of optical parameters suggested that the prepared materials have the potential applications in optoelectronics devices. Key words: optical properties; polypyrrole/poly(vinyl acetate); composite films.
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