Effect of co-doped metal caions on the properties of Y2O3:Eu3+ phosphors synthesized by gel-combustion method
Shi Hui†, , Zhang Xi-Yan‡, , Dong Wei-Li, Mi Xiao-Yun, Wang Neng-Li, Li Yan, Liu Hong-Wei
       

Emission spectra of samples doped with cation concentrations of (a) Li+, (b) Na+, (c) K+, (d) Mg2+, and (e) Ca2+ (with Eu3+ concentration being 5% and λex = 254 nm).