K2SiF6∶Mn4+ Luminescent Glass Ceramics Applicable to Laser Lighting

Shuai-chen SI; Lin HUANG; Jing WANG

doi:10.37188/CJL.20210176

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K₂SiF₆∶Mn⁴⁺ Luminescent Glass Ceramics Applicable to Laser Lighting

Invited Paper | 更新时间：2021-10-17

- K₂SiF₆∶Mn⁴⁺ Luminescent Glass Ceramics Applicable to Laser Lighting
  增强出版
- Chinese Journal of Luminescence Vol. 42, Issue 10, Pages: 1549-1558(2021)
- 作者机构：
  
  1.中山大学化学学院　生物无机与合成化学教育部重点实验室，光电材料与技术国家重点实验室，广东　广州　 510275
  2.中山大学　材料科学与工程学院，广东　广州　 510275
- 作者简介：
- 基金信息：
  
  s from the Joint Funds of the National Natural Science Foundation of China and Yunnan Province(U1902222);the NSFC(51772336;51702373;51961145101);Key-Area Research and Development Program of Guangdong Province(2019B010926001);Guangzhou Science & Technology Project(202007020005;201807010104;201802020033);the Natural Science Foundation of Guangdong Province(2018A030313919)
- DOI：10.37188/CJL.20210176
  CLC： O482.31
- Received：05 May 2021，
  
  Revised：2021-05-23，
  
  Published：01 October 2021
- 稿件说明：
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Shuai-chen SI, Lin HUANG, Jing WANG. K₂SiF₆∶Mn⁴⁺ Luminescent Glass Ceramics Applicable to Laser Lighting[J]. Chinese Journal of Luminescence, 2021, 42(10): 1549-1558.
DOI：

Shuai-chen SI, Lin HUANG, Jing WANG. K₂SiF₆∶Mn⁴⁺ Luminescent Glass Ceramics Applicable to Laser Lighting[J]. Chinese Journal of Luminescence, 2021, 42(10): 1549-1558. DOI： 10.37188/CJL.20210176.

摘要

面对市场对高功率高质量照明的强烈需求，开发兼具优良发光性能和稳定性的红色荧光玻璃陶瓷来提高白光显色指数(CRI)显得尤为重要。本文采用低温共烧结法制备了一种镶嵌K

SiF

∶Mn

(KSF)商用红色荧光粉的新型荧光玻璃陶瓷。研究结果表明，共烧结时前驱玻璃熔体对KSF荧光粉的热侵蚀作用较小，荧光粉的发光特性基本得到保持；相比于初始荧光粉，玻璃陶瓷的热猝灭性能得到大幅的改善；构建的激光照明光源在55.56 W/cm

蓝光功率密度激发下，光通量为32.77 lm，色温为5073 K

CRI为74.86，色坐标为(0.341

0.321)。经过系统的热管理优化，KSF荧光玻璃陶瓷可望应用于高功率室内照明领域。

Abstract

Towards the strong market demand for high power

high quality lightings

it is particularly important to develop red fluorescent glass ceramic with excellent optical performance and stability to improve the color rendering index(CRI) of white light. In this work

a glass ceramic embedded with commercial K

SiF

∶Mn

(KSF) red phosphor was prepared

via

a low-temperature co-sintering method. The results show that the thermal erosion effect of the precursor glass melt on KSF phosphor is limited during co-sintering

so the optical properties of the phosphor are retained. Compared with the initial phosphor

the thermal quenching properties of glass ceramics are greatly improved. The fabricated laser lighting source exhibits lumen of 32.77 lm

correlated color temperature of 5 073 K

CRI of 74.86

and chromaticity coordinate of (0.341

0.321)

under the excitation of 55.56 W/cm

blue laser diode(LD) power density. After further optimization of systematic thermal management

KSF fluorescent glass ceramic is expected to be applied in the field of high power indoor lighting.

关键词

Keywords

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Related Institution

School of Materials Science and Engineering， Sun Yat-Sen University

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