Abstract
A thin film of polycarbonate was bombarded with 100 MeV Si 8+ ions. Fourier transform infrared and ultraviolet/visible spectroscopic techniques were employed for studying the changes in chemical and optical properties whereas differential scanning calorimetry was used for studying the changes in the thermal properties. It was observed that there was a slight shift in the optical absorption edge towards the red end of the spectrum when the ion fluence was increased. It was further observed that there was a substantial chemical and thermal modification in the sample such as breaking of CO single bond and formation of phenolic bond and gradual decrease in the glass transition temperature with the increase in ion fluence.
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