Controllable optical tuning and improvement in Li + ,Eu 3+ -codoped BaSc 2 O 4 :Bi 3+ based on energy transfer and charge compensation

Improved photoluminescence and efficient blue-to-red color-tuning of novel BaSc 2 O 4 :Bi 3+ phosphors were achieved by Li + /BaF 2 lattice modification and Bi 3+ → Eu 3+ energy transfer.