高亮度固态照明用黄绿光发射Ce∶LuAG透明陶瓷

刘强; 李万圆; 刘欣; 朱雨轩; 邓陶丽; 李晓英; 陈鹏辉; 田丰; 谢腾飞; 李淑星; 邹军; 李江

doi:10.37188/CJL.20210116

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高亮度固态照明用黄绿光发射Ce∶LuAG透明陶瓷

特邀报告 | 更新时间：2021-10-17

- 高亮度固态照明用黄绿光发射Ce∶LuAG透明陶瓷
  增强出版
- Green-yellow Emission Ce∶LuAG Transparent Ceramics for High-brightness Solid-state Lighting
- Chinese Journal of Luminescence 2021年42卷第10期页码：1520-1530
- 作者机构：
  
  1.江苏大学　材料科学与工程学院，江苏　镇江　 212013
  2.中国科学院上海硅酸盐研究所　透明光功能无机材料重点实验室，上海　 201899
  3.中国科学院大学　材料与光电研究中心，北京　 100049
  4.上海应用技术大学　理学院，上海　 201418
  5.厦门大学　材料学院，福建　厦门　 361005
- 作者简介：
  
  [ "刘强(1964-)，男，江苏镇江人，博士，教授，硕士研究生导师，2005年于江苏大学获得博士学位，主要从事发光材料和透明陶瓷等方面的研究。E-mail: lq88611338@163.com" ]
  [ "李江(1977-)，男，浙江绍兴人，博士，研究员，博士研究生导师，2007年于中国科学院上海硅酸盐研究所获得博士学位，主要从事光功能透明陶瓷方面的研究。E-mail: lijiang@mail.sic.ac.cn" ]
- 基金信息：
  
  国家重点研发计划(2017YFB0310500);国家自然科学基金(61775226);中国科学院前沿科学重点研究计划(QYZDB-SSW-JSC022)
- DOI：10.37188/CJL.20210116
  中图分类号： O482.31;TQ174
- 收稿：2021-03-31，
  
  修回：2021-04-15，
  
  纸质出版：2021-10-01
- 稿件说明：
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刘强, 李万圆, 刘欣, 等. 高亮度固态照明用黄绿光发射Ce∶LuAG透明陶瓷[J]. Chinese Journal of Luminescence, 2021,42(10):1520-1530.

Qiang LIU, Wan-yuan LI, Xin LIU, et al. Green-yellow Emission Ce∶LuAG Transparent Ceramics for High-brightness Solid-state Lighting[J]. 发光学报, 2021, 42(10): 1520-1530.
刘强, 李万圆, 刘欣, 等. 高亮度固态照明用黄绿光发射Ce∶LuAG透明陶瓷[J]. Chinese Journal of Luminescence, 2021,42(10):1520-1530. DOI： 10.37188/CJL.20210116.

Qiang LIU, Wan-yuan LI, Xin LIU, et al. Green-yellow Emission Ce∶LuAG Transparent Ceramics for High-brightness Solid-state Lighting[J]. 发光学报, 2021, 42(10): 1520-1530. DOI： 10.37188/CJL.20210116.

摘要

通过固相反应结合真空烧结制备了(Ce

)

(Ce∶LuAG

=0.0005

0.001

0.002

0.003

0.004)透明陶瓷. 厚度为1.0 mm的Ce∶LuAG陶瓷在500~800 nm波长范围内的直线透过率大于75%. 研究了不同浓度Ce∶LuAG陶瓷在454 nm蓝光LED激发下的吸收和发射特性，获得了可调的相关色温(5 653~7 433 K). 所制备的Ce∶LuAG陶瓷具有优异的热性能和发光性能，在225 ℃下的PL强度较室温仅下降7%

0.1%Ce∶LuAG陶瓷在蓝光LED激发下的发光效率达到179 lm/W. 进一步研究了不同厚度Ce∶LuAG陶瓷的发光饱和性能，1 mm厚的0.1%Ce∶LuAG陶瓷在功率密度为24.6 W/mm

的蓝光LD激发下获得了3 646 lm的高光通量，同时没有出现发光饱和现象. 研究结果表明，Ce∶LuAG透明陶瓷具有高发光效率和热稳定性，适合用于大功率固态照明.

Abstract

A series of (Ce

)

(Ce∶LuAG

=0.0005

0.001

0.002

0.003

0.004) transparent ceramics were prepared

via

high-temperature reactive sintering under vacuum. The in-line transmittances of these transparent ceramics are higher than 75% at 500-800 nm with a thickness of 1.0 mm. Absorption and emission properties of ceramics with different Ce

concentrations excited by 454 nm blue LED were investigated. An adjustable correlated color temperature(CCT)(5 653-7 433 K) was obtained. The as-prepared ceramics show remarkably superior thermal and luminescent properties: a low thermal quenching(7% drop at 225 ℃)

and a high luminous efficacy of 179 lm/W were obtained in the 0.1%Ce∶LuAG ceramics(1.0 mm thick) coupled with commercial blue InGaN LED chips

which also shows increasing emission intensity with increasing input power(up to 3.6 W). A high flux of 3 646 lm was obtained with robust Ce∶LuAG ceramics irradiated with a high laser power density of 24.6 W/mm

. Obviously

the fabricated transparent Ce∶LuAG ceramics are quite prospective as a highly efficient and thermally robust green-yellow color converter for high-power solid-state lighting(SSL) application.

关键词

Keywords

references

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LuYAG∶Ce Transparent Ceramic Phosphors for High-brightness Solid-state Lighting Application