The luminescence of nanocrystalline ZnS : Mn2+ in truth reveals a brief decay time component (?a hundred ns), and also an extended (ms) decay time is noticed. The brief decay time is ascribed to the defect-connected emission of ZnS, and isn't from the decay on the changeover of the Mn2+ impurity. The transition from the Mn2+ includes a `ordinary??d… Read More