Energy transfer, luminescence properties, and thermal stability of color tunable barium pyrophosphate phosphors |
(a) XRD patterns of BPO:0.01Ce3+, 0.01Tb3+; BPO:0.01Tb3+; BPO:0.01Ce3+ and the standard pattern of BPO (JCPDS card No. 83-0990); (b) schematic illustration of crystal structure of BPO. |