Effects of Li+ Codoping on the Optical Properties of SrAl2O4 Long Afterglow Ceramic Phosphors
Figure 4
Decay curves of the bare SrAl2O4:Eu2+, Dy3+ and SrAl2O4:Eu2+, Dy3+/0.03 mol% Li+ powders. Inset is digital photography of excited phosphorescent SrAl2O4:Eu2+, Dy3+/0.03 mol% Li+ powder.