Studying the optical properties of ZnxCd1 – x S thin films prepared by chemical bath deposition (CBD) and the effect of annealing temperature

The ZnxCd1 – x S (x=0.2,0.5,0.7) thin films have been deposited by chemical both deposition method on glass substrates from aqueous solution containing cadmium acetate , zinc acetate and thiourea at 80 ±5°C and after annealed at 150-200°C . optical method was used to determine the band gap of films between 3.95 to 4.1 eV. The UV-VIS spectra of films have been studied and the result are discussed.