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Absorption spectra of P3HT in CF and by adding MT (a) Without TiO2, (b) with TiO2 (photographs in the inset shows the change in solution colour with different percentage of MT in CF), (c) photographs of TiO2 dispersed in mixed solvent.
Scanning electron microscope and optical microscope images of P3HT:TiO2 blend films with various concentrations of mixed solvents in CF.
Simulation results show the variation of co-solvent and CF in drying films and the percentage of co-solvent. (a)–(c) show variation with 5%, 7.5%, and 10% MT, respectively, in CF. (d)–(f) show variation with 5%, 7.5%, and 10% ET, respectively, in CF. (g) show the variation of 2P and CF with 10% 2P in CF.
HSP and Ds-p of mixed solvents (various co-solvents with chloroform) at various co-solvent content, with and without TiO2 is shown.
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