YAG:Ce-Al2O3 composite/spinel dual-layer ceramic phosphor for high luminous density light converting application

被引：2
|
作者：
Sun, Jing [1 ,2 ]
Lin, Hui [1 ,2 ]
Zhang, Dawei [1 ,2 ]
机构：
[1] Univ Shanghai Sci & Technol, Minist Educ, Engn Res Ctr Opt Instrument & Syst, 516 Jun Gong Rd, Shanghai 200093, Peoples R China
[2] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst, 516 Jun Gong Rd, Shanghai 200093, Peoples R China
来源：
MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 11期
关键词：
phosphor-converted; laser lighting; transparent ceramic phosphor; composite ceramic; thermal conductivity;
D O I：
10.1088/2053-1591/ab4b0b
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, the YAG:Ce-Al2O3 composite/spinel dual-layer ceramic was fabricated using the spark plasma sintering (SPS). The role of the transparent spinel layer is to enhance thermal shock resistance and mechanical strength of the ceramic. Because of the high thermal conductivity of the spinel ceramic, the thermal conductivity of the dual-layer ceramic was similar to the YAG:Ce-Al2O3 ceramic. The cross-sectional XRD and SEM results of the sample confirmed that there was no apparent chemical reaction at the interface between the YAG:Ce-Al2O3 composite ceramic layer and the spinel ceramic layer. The YAG:Ce-Al2O3 composite/spinel dual-layer ceramic possesses high thermal conductivity and mechanical strength, and is a promising phosphor conversion material for high power laser driving in the transmissive configuration.
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收藏
页数：7
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