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ZnS buffer layer thin films for Cu(In, Ga)Se2 (CIGS) have been prepared by chemical bath deposition (CBD) technique onto the ITO coated glasses at 80°C bath temperature, using zinc sulfate hepta-hydrate (ZnSO4·7H2O), thiourea (SC(NH2)2) and ammonia (NH4OH) as reacting chemicals. The concentrations of thiourea and ammonia were varied while the concentration of ZnSO4 was immobilized at 0.03M. The thickness,...
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