YAG:Ce3+-ZnO composite phosphor-in-glass (PiG) films for high-quality laser-driven white light

被引：0
|
作者：
Wang, Guo-Juan [1 ]
Zhu, Qiang-Qiang [1 ]
Cai, Gan-Yu [1 ]
Zhai, Yue [1 ]
Fang, Shuang-Qiang [1 ]
Kang, Juan [1 ]
Wang, Le [1 ]
机构：
[1] China Jiliang Univ, Coll Opt & Elect Technol, Hangzhou 310018, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2025年 / 1010卷
基金：
中国国家自然科学基金;
关键词：
Phosphor-in-glass films; Composite structure; Laser-driven white light; Heat dissipation; Light uniformity; COLOR CONVERTERS; EFFICIENCY; LEDS;
D O I：
10.1016/j.jallcom.2024.177779
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 realization of high-quality laser-driven white light remains challenging due to the limited heat dispersion and inconsistent light uniformity of color converters. In this study, ZnO particles with high thermal conductivity and a high index of refraction were induced into phosphor-in-glass (PiG) films to form a Y3Al5O12 (YAG):Ce3+ZnO composite structure. The influences of ZnO particles on the luminescence, optical properties, thermal dissipation performance, and light uniformity of PiG films were studied in detail. Benefiting from the improved thermal dissipation, the luminescence saturation threshold of the YAG:Ce3+ PiG film was improved from 10.97 to 12.96 W/mm2, and the luminous flux was improved from 1271 to 1468 lm. The increased light scattering attributed to ZnO particles also effectively dispersed both laser and emitted light. This significantly enhanced the angular consistency of the color rendering index (Ra) and correlated color temperature (CCT). It indicates that the YAG:Ce3+-ZnO composite PiG film would be an interesting color converter for producing high-quality laserdriven white light.
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页数：7
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