Abstract
Polypyrrole thin films were prepared by galvanostatic mode of electrodeposition. The applied constant current density changes structural, optical and surface wettability properties of polypyrrole thin films. The prepared films were characterized for structural, optical and surface wettability study. Fourier transform infrared spectroscopy shows the benzoid and qunoid like structures in polypyrrole films. The UV-Visible absorption study shows that the optical density varies with the applied deposition current density. The band gap energy calculated from the Tauc’s plot was found to be 2.25 eV and shows the film is in semiconductor nature. The surface wettability study confirms hydrophilic nature of polypyrrole films.
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