Orange-red-emitting CaTi4(PO4)6:Eu3+ phosphor for white LEDs: synthesis and luminescence properties. - Cao, Renping; Shao, Wenhua; Zhao, Yanshu; Chen, Ting; Ao, Hui; Guo, Siling; Liu, Pan; Fan, Ting (Applied Physics A: Materials Science & Processing, 2020)