Dy3+ → Eu3+ energy transfer induced tunable luminescence in disordered La3Ga5SiO14:Dy3+/Eu3+ phosphors

被引：3
|
作者：
Luo, Qingli [1 ]
Li, Qinggang [2 ]
机构：
[1] Shandong Lab Vocat & Tech Coll, Jinan 250300, Peoples R China
[2] Qilu Univ Technol, Shandong Acad Sci, Adv Mat Inst, Jinan 250014, Peoples R China
来源：
CHEMICAL PHYSICS | 2024年 / 580卷
关键词：
Phosphor; Energy transfer; Luminescence; La3Ga5SiO14:Dy3+/Eu3+; NEAR-INFRARED LUMINESCENCE; CRYSTALS; LASER; MN2+;
D O I：
10.1016/j.chemphys.2024.112215
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Dy3+/Eu3+ activated La3Ga5SiO14 phosphors were synthesized using a sintering process for 8 h at 1300 degrees C and their performance was investigated in detail using various characterizations. The Dy3+ single activated La3Ga5SiO14 phosphor has the dominant emission band corresponding to the F-4(9/2) -> H-6(13/2) transition of Dy3+, and the Eu3+ single activated La3Ga5SiO14 phosphor has the dominant emission band corresponding to the D-5(0) -> F-7(2) transition of Eu3+. These indicate that activators substitute La3+ sites with the C-2 symmetry in the Dy3+/Eu3+ activated La3Ga5SiO14 phosphors. The Dy3+ -> Eu3+ energy transfer occurs in the Dy3+/Eu3+ coactivated La3Ga5SiO14 phosphors, which leads to the controllable luminescence in these phosphors.
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页数：6
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