Advancing laser lighting: High-brightness and high-stability Ce:YAG phosphor-in-glass

被引：0
作者：
Sun, Xiangjia [1 ]
Liang, Yanrong [1 ]
Zheng, Jiaying [1 ]
Zhao, Cong [2 ]
Fang, Ziyi [1 ]
Tian, Tengfei [1 ]
Liang, Xiaojuan [1 ]
Huan, Weiwei [3 ]
Xiang, Weidong [1 ]
机构：
[1] College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou
[2] College of Life and Environmental Science, Wenzhou University, Wenzhou
[3] College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou
来源：
Ceramics International | 2024年 / 50卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Ce[!sup]3+[!/sup]:Y[!sub]3[!/sub]Al[!sub]5[!/sub]O[!sub]12[!/sub; Laser lighting; Phosphor-converted color wheel; Phosphor-in-glass;
D O I：
10.1016/j.ceramint.2024.09.341
中图分类号：
学科分类号：
摘要：
The advancement of laser lighting is moving towards high-power and high-brightness applications. However, traditional phosphor-in-silicone (PiS) are unable to maintain good performance under intense optical-thermal stresses. Therefore, there is a growing focus on finding color conversion material with high thermal stability and resistance to high incident laser power (Pin). Here, we have developed a low-temperature sintered phosphor-in-glass (PiG) based on a lithium-aluminium-silicate glass system. The sintered Ce3+:Y3Al5O12 phosphor-in-glass (Ce:YAG-PiG) retains the original luminescent properties of the phosphor, exhibiting a high internal quantum efficiency (IQE = 88.3 %) and high thermal conductivity (3.33 W/(m K)). At a Pin of 6.87 W, Ce:YAG-PiG achieves a luminous flux of 1481.7 lm and luminous efficiency of 221.7 lm/W. Ce:YAG-PiG shows best illumination performance in dynamic reflective module. Furthermore, the conversion efficiency and stability of the Ce:YAG-PiG color wheel surpass those of PiS color wheel, and a Ce:YAG/Ce3+:LuAG/Eu2+:CaAlSiN3 composite PiG color wheel can produce high color rendering index white light. This work is expected to find new application prospects for PiG and further promote the development of high-power dynamic laser lighting. © 2024 Elsevier Ltd and Techna Group S.r.l.
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页码：48909 / 48917
页数：8
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