Abstract
Results of XRD, optical absorption spectra, photoconductivity, photovoltaic effect and photoluminescence are reported for (Cd 0.95 –Pb 0.05 )S:CdCl 2 ,Gd films prepared by chemical deposition technique at 60 °C and room temperature (RT). The XRD studies show prominent diffraction lines of CdS and PbS. Optical absorption spectra show direct bandgap nature with decreasing value due to addition of PbS. The saturated photocurrent ( I pc ) to dark current ( I dc ) ratios ∼10 7 are found in films prepared at 60 °C and ∼10 4 in films prepared at RT. Photoluminescence is found to be brighter in films prepared at RT. Photovoltaic efficiency ∼5% has been observed in such films.
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