Abstract
Thin films of CdS, ZnS and Cd 1-xZn xS, (0< x<1) have been electrodeposited from acidic bath using CdSO 4, ZnSO 4 and Na 2S 2O 3 at pH between 2 to 2.5 onto different substrates. The structural and optical properties of these films have been studied. It was found that CdS, ZnS and Cd 1-x Zn x S film could be electrodeposited from acidic bath. The XRD patterns showed that the films consist of mixed phases of CdS and ZnS with presence of free Cd, Zn and S. The optical properties showed that bandgaps of CdS and ZnS are 2.4 and 3.55 eV respectively. The bandgaps of Cd 1-x Zn x S films varied between 2.4 to 3.55 eV, depending upon Zn content in the film.
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