Abstract
Iron doped cadmium sulfiede (Cd0.9Fe0.1S) was prepared using a thermolysis procedure in air and under the flow of nitrogen. 50%PVA/50%PVP polymer blends doped with different contents of CdS/Fe (1, 3, 5, 10 wt%) were formed using the casting procedure. The effect of preparation atmosphere on the formed phases and the crys-tallinity was investigated using Rietveld method. The possibility of integration of the nanofiller CdS/Fe with a different percentage in the blend matrix was also studied using X-ray diffraction technique. The effect of prep-aration conditions of the nanofiller and its concentrations on the absorbance behavior, extinction coefficient, optical conductivity and band gaps of the blend samples was explored in detail. The refractive index value of PVA/PVP blend was increased from 1.05 to 1.19 or 1.2 as it doped with 10% CdS/Fe (air) or CdS/Fe (N-2), respectively. The nonlinear parameters for the PVA/PVP/CdS/Fe (N-2) have nearly fixed values over a wide range of wavelengths. The fluorescence intensity for the PVA/PVP blend was increased as it was doped with 3% CdS/Fe (air) only. The emitted colors from the blends depended on the excitation wavelength, kind and amount of the nanofiller.