Optical Properties from Energy of Polyaniline Transparent Conductive Thin Film
Keywords:
Transmittance, Reflectance, Energy Band Gap, Absorption coefficient, Extinction Coefficient and Refractive indexAbstract
Polyaniline thin film was synthesized at temperatures of 28ºC, by in situ oxidative polymerisation with ammonium peroxidisulphate [(NH4)2S2O8] at equimolar of aniline (C6H5-NH2) to oxidant ratio and 1M hydrochloric acid (HCl) on substrate of soda lime glasses and post treated via water bath with organic solvents such as propanol, ethanol, chloroform and diethyl ether. The resulted PANI thin film was characterised by techniques such as: UV-Visible Spectroscopy. The optical transmission and reflectance spectra have been found in the visible wavelength range 300-800 nm for different composition of polyaniline thin films. Moreover, the effects of organic solvents on prepared polyaniline in the parameters such as; transmittance, reflectance, optical energy gap (Eopt), refractive index, absorbance, absorption coefficient and extinction coefficient are having been investigated and evaluated. And the polyanilines with Chloroform and diethyl ether were found to have higher optical transmittance while, the polyanilines with propanol and ethanol were found to have lower optical transmittance.
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