Yttrium Aluminum Garnet Phosphor-in-glass with Improved Color-rendering for Laser Lighting

Yao MENG; Qiang-qiang ZHU; Min-hang HUANG; Xiang-yu HU; Hong ZHANG; Le WANG

doi:10.37188/CJL.20210166

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Yttrium Aluminum Garnet Phosphor-in-glass with Improved Color-rendering for Laser Lighting

Invited Paper | 更新时间：2021-10-17

- Yttrium Aluminum Garnet Phosphor-in-glass with Improved Color-rendering for Laser Lighting
  增强出版
- Chinese Journal of Luminescence Vol. 42, Issue 10, Pages: 1619-1626(2021)
- 作者机构：
  
  中国计量大学　光学与电子科技学院，浙江　杭州　 310018
- 作者简介：
- 基金信息：
  
  Preeminence Youth Science Funds of Zhejiang Province(LR19F050001);National Natural Science Foundation of China(51832005;62075203;51702339);National Key R&D Program of China(2017YFB0403100;2017YFB0403105)
- DOI：10.37188/CJL.20210166
  CLC： O482.31
- Received：30 April 2021，
  
  Revised：2021-05-10，
  
  Published：01 October 2021
- 稿件说明：
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Yao MENG, Qiang-qiang ZHU, Min-hang HUANG, et al. Yttrium Aluminum Garnet Phosphor-in-glass with Improved Color-rendering for Laser Lighting[J]. Chinese Journal of Luminescence, 2021, 42(10): 1619-1626.
DOI：

Yao MENG, Qiang-qiang ZHU, Min-hang HUANG, et al. Yttrium Aluminum Garnet Phosphor-in-glass with Improved Color-rendering for Laser Lighting[J]. Chinese Journal of Luminescence, 2021, 42(10): 1619-1626. DOI： 10.37188/CJL.20210166.

摘要

∶Ce

(YAG∶Ce

)荧光玻璃由于光谱中缺少红绿光成分，难以满足高显色激光照明的应用需求。本研究工作基于钇铝石榴石结构荧光材料宽光谱、高光效及高稳定的特性，选用绿色发光Y

(Ga

Al)

∶Ce

(YAGG∶Ce

)和橙色发光(Y

Gd)

∶Ce

(GdYAG∶Ce

)荧光材料作为荧光玻璃中的荧光组分，获得了具有较高显色性能的荧光玻璃材料。详细研究了制备温度、荧光粉和玻璃粉的比例、YAGG∶Ce

和GdYAG∶Ce

荧光粉的比例以及样品厚度对其性能的影响。通过制备工艺及材料组分的优化，YAGG∶Ce

/GdYAG∶Ce

荧光玻璃样品在蓝色激光激发下的显色指数(

)可以达到79.7，相比YAG∶Ce

荧光玻璃提升了13.7%左右。具有最优

的荧光玻璃样品的发光饱和阈值为1.63 W/mm

，此时样品的发光效率可以达到163.14 lm/W，可应用于激光照明领域实现白光照明品质的提升。

Abstract

Due to the spectrum defect of the red and green light component

the Y

∶Ce

(YAG∶Ce

) phosphor-in-glass(PiG) cannot be applied in high-quality laser lighting. Based on the yttrium aluminum garnet luminescent material with wide spectrum

high luminous efficiency and high stability

the green-emitting Y

(Ga

Al)

∶Ce

(YAGG∶Ce

) and orange-emitting (Y

Gd)

∶Ce

(GdYAG∶Ce

) phosphors were used as raw materials to fabricate PiG

and the PiG sample with improved color-rendering was achieved. The effects of fabrication temperature

phosphor-to-glass ratio

YAGG∶Ce

/GdYAG∶Ce

ratio

and the thickness on properties of PiG samples were studied in detail. By optimizing synthetic conditions and PiG components

the color rendering index (

) of achieved PiG can reach 79.7

showing 13.7% improvement compared with that of YAG∶Ce

PiG. The luminescence saturation threshold of PiG sample with optimal

is 1.63 W/mm

and the luminous efficacy can reach 163.14 lm/W

suggesting a promising application in laser lighting for achieving better lighting effects.

关键词

Keywords

references

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Related Institution

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