Energy transfer, luminescence properties, and thermal stability of color tunable barium pyrophosphate phosphors
Xu Meng-Jiao1, Li Su-Xia1, Ji Chen-Chen2, Luo Wan-Xia1, Wang Lu-Xiang1, †
       

(a) Temperature-dependent PL spectra of the BPO:0.01Ce3+, 0.01Tb3+ under 315-nm excitation; (b) normalized intensity versus temperature; (c) schematic configuration coordinate model; (d) plot of ln[(I0/I) – 1] versus 1/kT.