Fig. 3: Photoluminescence properties.

a DR spectra of BLAGSO, BLAGSO:0.05Ce3+, and BLAGSO:0.05Ce3+, 0.01Bi3+. Inset: the experimental Eg of BLAGSO. b PLE and PL spectra of BLAGSO:0.05Ce3+. c PLE spectra of BLAGSO:0.05Ce3+, yBi3+. Inset: the PLE intensity of BLAGSO:0.05Ce3+, yBi3+. d PL spectra of BLAGSO:0.05Ce3+, yBi3+. Inset: the PL intensity of BLAGSO:0.05Ce3+, yBi3+