Pure and silver-doped (Cd0.95Zn0.5)S phosphors were prepared using solid-state reaction methods. Luminescence grade CdS and ZnS (Fluka, Switzerland) and silver nitrate (Ag(NO3)3; Merck) were acquired, as well as sodium chloride (NaCl; Merck) for use as a flux. The fixed CdS and ZnS contents (0.95% and 0.5%, respectively) were mixed with different Ag+ ion concentrations (1–5 mol%) for preparation of the phosphors. The mixture was placed in an alumina crucible, and then heated in a silica tubular furnace maintained at 900 °C under an inert atmosphere of flowing nitrogen gas. After the completion of heating, the mixture was allowed to cool to room temperature in the same furnace. Following cooling, the sample was immediately crushed to convert it into a fine powder with uniform crystal size