Fig. 2From: Selective introduction of Cu impurity into fine-dispersed ZnS obtained during the process of one-stage synthesisPLE spectra of SHS-synthesized ZnS:Cu, normalized on the intensity fundamental absorption band. 1 – initial ZnS:Cu – SHS, 2 – ZnS:Cu – SHS after washing in distilled water. 3 – PL spectrum of initial ZnS:Cu – SHSBack to article page