Abstract
Submicron-sized Ca3Sc2Si3O12:Ce3+,Tb3+ phosphors were synthesized by the sol–gel (SG) method and the phase, morphology and photoluminescence of the phosphors were investigated. The submicron-sized Ca3Sc2Si3O12:Ce3+,Tb3+ phosphor prepared by the SG method at 1300°C showed lower phase-forming temperature, more uniform morphology and more excellent photoluminescence property compared to the phosphor prepared by the conventional solid state (SS) method. The fabrication of single-color light emitting diodes show that the prepared submicron-sized Ca3Sc2Si3O12:Ce3+,Tb3+ phosphor can be considered as a more promising high efficiency candidate used for white light emitting diodes than the phosphor made by the SS method.
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