Synthesis and photoluminescence of LiCaBO3: M (M: Pb2+ and Bi3+) phosphor

Pure, Pb²⁺ and Bi³⁺ doped LiCaBO₃ materials were prepared by a solution combustion synthesis method. The phase of LiCaBO₃ were determined using the powder XRD and FTIR. The photoluminescent properties of Pb²⁺ and Bi³⁺ doped LiCaBO₃ materials were investigated using spectrofluorometer at room temperature. The emission bands of LiCaBO₃: Pb²⁺ and LiCaBO₃: Bi³⁺ were observed at 296 and 378 nm, respectively. LiCaBO₃ with different Pb²⁺ and Bi³⁺ doping concentrations were analyzed at room temperature. The Stokes shifts of LiCaBO₃: Pb²⁺ and LiCaBO₃: Bi³⁺ were calculated to be 3952 and 6440 cm^?1, respectively.