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Effect of phase transition on photoluminescence of Er-doped KNN ceramics

Xiao Wu - No affiliation found

2014/11/01 Full-length article DOI: 10.1016/j.jlumin.2014.07.005 Journal: Journal of Luminescence

Abstract:

Highlights•Er-doped KNN ceramics are prepared to study the photoluminescence properties.•Up-conversion Vis, down-conversion NIR/MIR emissions and lifetimes are studied.•The concentration quenching effect and energy transfer processes are investigated.•The phase transitions and PL properties can be modulated by adjusting Er contents.•Er-doped KNN ceramics have great potential in the optoelectronic applications.