Energy transfer, luminescence properties, and thermal stability of color tunable barium pyrophosphate phosphors
(a) CIE chromaticity diagram and picture of BPO:0.01Ce3+, yTb3+ (y = 0.00–0.10) under 315-nm excitation and a 254-nm UV lamp, respectively, and (b) schematic energy level diagram of Ce3+ and Tb3+ in the BPO host.
