Structure, luminescence and energy transfer of Eu2+/Mn2+ co-doped SrO-MgO-B2O3 glass for full-color emitting WLEDs

被引：5
|
作者：
Wang, Pengcheng [1 ]
Zhang, Wei [1 ]
Man, Shi-Qing [1 ]
机构：
[1] Yunnan Normal Univ, Coll Phys & Elect Informat, Kunming 650500, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2023年 / 823卷
基金：
中国国家自然科学基金;
关键词：
Glass; Luminescence; Energy transfer; WLEDs; CONVERSION PHOSPHORS; SILICATE GLASS; WHITE; EMISSION; CE3+; EU2+; CERAMICS; PROGRESS; DIODES; DY3+;
D O I：
10.1016/j.cplett.2023.140513
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：
A series of Eu2+/Mn2+ co-doped SrO-MgO-B2O3 glasses have been synthesized via the conventional meltquenching technique. The DSC curve, XRD, FT-IR and photoluminescence properties were investigated in detail. Continuous tunable emission from blue to warm white light can be achieved by varying the doping content of Mn2+. The energy transfer is taken place from the 4f65d state of Eu2+ to the 4T2 (G) state of Mn2+ and was confirmed to be dipole-dipole interaction in nature. Furthermore, the simply assembled WLED lamp exhibits white light near standard with color coordinates of (0.3345, 0.3091) and CCT of 5369 K under 20 mA current.
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页数：9
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