Abstract
In this study, high quality environment friendly FeS2 nanoparticle was synthesized in hydrothermal route with capping reagent. Band gap energy of FeS2 has been modified and applied in polymer:inorganic nanocomposite. Pyrite structure of FeS2 nanoparticle has been confirmed by different structural characterization techniques. Thermal stability has been studied by thermogravimetric analysis technique. Finally, FeS2 has been introduced within a poly(3-hexylthiophene):Phenyl-C60-butyric acid methyl ester (P3HT:PCBM) matrix at different weight ratios to increase the photosensitivity of the nanocomposite. The composite film of P3HT:PCBM:FeS2 with weight ratio 2:1:0.2 shows highest photosensitivity. Increased photosensitivity has been explained from photoluminescence data.
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