Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN<sub>3</sub>∶Eu Composite Phosphor Ceramics

Xing-lin PENG; Shu-xing LI; Ao-chen DU; Zi-qiu CHENG; Xiu-min YAO; Zheng-ren HUANG; Rong-jun XIE; Xue-jian LIU

doi:10.37188/CJL.20210146

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Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN₃∶Eu Composite Phosphor Ceramics

Invited Paper | 更新时间：2021-10-17

- Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN₃∶Eu Composite Phosphor Ceramics
  增强出版
- Chinese Journal of Luminescence Vol. 42, Issue 10, Pages: 1502-1509(2021)
- 作者机构：
  
  1.中国科学院　上海硅酸盐研究所，上海　 200050
  2.中国科学院大学　材料科学与光电技术学院，北京　 100049
  3.厦门大学　材料学院，福建　厦门　 361005
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China(2018YFB0406700)
- DOI：10.37188/CJL.20210146
  CLC：
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Xing-lin PENG, Shu-xing LI, Ao-chen DU, et al. Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN₃∶Eu Composite Phosphor Ceramics. [J]. Chinese Journal of Luminescence 42(10):1502-1509(2021)
DOI：

Xing-lin PENG, Shu-xing LI, Ao-chen DU, et al. Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN₃∶Eu Composite Phosphor Ceramics. [J]. Chinese Journal of Luminescence 42(10):1502-1509(2021) DOI： 10.37188/CJL.20210146.

摘要

目前报道的高热导AlN-CaAlSiN,3,∶Eu红色复相荧光陶瓷由于放电等离子体烧结(SPS)产生的碳污染问题导致发光性能难以提高。本研究工作提出了一种减少氮化物荧光陶瓷碳污染的有效方法，即采用热等静压(HIP)在N,2,气氛中处理SPS烧结的样品。实验表明，经过HIP处理后样品的发光强度和量子效率最高均提高了一倍左右，光通量提高了51%，发光饱和阈值提高了15%以上。其中，性能最佳的样品在入射激光功率高达15 W时依然保持完好且未发生发光饱和，光通量高达197 lm。本研究工作利用HIP处理制备出具有优异发光性能和极高发光饱和阈值的红色荧光陶瓷，促进了大功率激光照明领域的发展。

Abstract

The previously reported highly thermal conductive red-emitting AlN-CaAlSiN,3,∶Eu composite phosphor ceramic is difficult to improve the luminescence performance due to the carbon contamination problem caused by spark plasma sintering(SPS). In this paper, hot isostatic pressing(HIP) post-treatment is used to prepare red-emitting phosphor ceramics with excellent luminescence performance and extremely high saturation threshold, which promotes the development of high-power laser lighting. The SPS sintered samples were treated by HIP in N,2, atmosphere. The experimental results show that the luminescence intensity and quantum efficiency of the samples are doubled after HIP post-treatment, the luminous flux is increased by 51%, and the saturation threshold is increased by more than 15%. The sample with the best performance remains intact without luminance saturation when the incident laser power is as high as 15 W, and the luminous flux is up to 197 lm.

关键词

激光照明氮化物荧光陶瓷热等静压烧结发光饱和

Keywords

laser lightingnitridesphosphor ceramicshot isostatic pressingluminance saturation

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Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN3∶Eu Composite Phosphor Ceramics

DOI：10.37188/CJL.20210146

摘要

Abstract

关键词

Keywords

references

Hot Isostatic Pressing Post-treatment and Performance of Red-emitting AlN-CaAlSiN₃∶Eu Composite Phosphor Ceramics