Abstract

This paper describes the fabrication of a red-orange-emitting (Zn,Cd)S:(Ag,In,Sb) cathodoluminescent phosphor which offers enhanced brightness at a low excitation voltage. The effects of antimony and chlorine added to the starting mixture as coactivators are analyzed. The largest brightness gain, observed at CSb/CAg ≃ 1.3, is probably due to the formation of Ag+-Sb3+ associates. Increasing the CSb/CAg ratio to above ≃ 2.2 leads to quenching of luminescence.

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