Analysis of Ga3+/Sc3+ Substitution on Luminescence Property of LuAG∶Ce3+ Transparent Ceramics

ZHOU Ze-hua; HUANG Ji-quan; CHEN Jian; DENG Zhong-hua; GUO Wang

doi:10.37188/CJL.20220248

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Analysis of Ga³⁺/Sc³⁺ Substitution on Luminescence Property of LuAG∶Ce³⁺ Transparent Ceramics

Synthesis and Properties of Materials | 更新时间：2023-02-13

- Analysis of Ga³⁺/Sc³⁺ Substitution on Luminescence Property of LuAG∶Ce³⁺ Transparent Ceramics
  增强出版
- Chinese Journal of Luminescence Vol. 43, Issue 12, Pages: 1928-1937(2022)
- 作者机构：
  
  1.福州大学化学学院，福建福州　350002
  2.中国科学院福建物质结构研究所，福建福州　350002
  3.福建省光电信息科技创新实验室，福建福州　350108
- 作者简介：
- 基金信息：
  
  Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China(2021ZZ113);Strategic Priority Research Program of Chinese Academy of Sciences(XDA22010301)
- DOI：10.37188/CJL.20220248
  CLC： O482.31
- Published：05 December 2022，
  
  Received：21 June 2022，
  
  Revised：08 July 2022，
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周泽华,黄集权,陈剑等.Ga³⁺、Sc³⁺掺杂LuAG∶Ce³⁺透明陶瓷的荧光性能[J].发光学报,2022,43(12):1928-1937.

ZHOU Ze-hua,HUANG Ji-quan,CHEN Jian,et al.Analysis of Ga³⁺/Sc³⁺ Substitution on Luminescence Property of LuAG∶Ce³⁺ Transparent Ceramics[J].Chinese Journal of Luminescence,2022,43(12):1928-1937.
周泽华,黄集权,陈剑等.Ga³⁺、Sc³⁺掺杂LuAG∶Ce³⁺透明陶瓷的荧光性能[J].发光学报,2022,43(12):1928-1937. DOI： 10.37188/CJL.20220248.

ZHOU Ze-hua,HUANG Ji-quan,CHEN Jian,et al.Analysis of Ga³⁺/Sc³⁺ Substitution on Luminescence Property of LuAG∶Ce³⁺ Transparent Ceramics[J].Chinese Journal of Luminescence,2022,43(12):1928-1937. DOI： 10.37188/CJL.20220248.

摘要

LuAG∶Ce

是一种高效稳定的商业化绿色荧光转换材料。我们采用真空烧结方法制备了一系列掺杂Ga

/Sc

的LuAG∶Ce

透明陶瓷样品，并研究了掺杂离子及掺杂浓度对其晶体结构、荧光性能及热稳定性能的影响。在450 nm蓝光激发下，Ga

和Sc

的掺杂均使LuAG∶Ce

的发射谱发生蓝移。其中，Ga

离子具有更好的蓝移效果，在掺杂浓度从0%提升至20%时，发射光谱从536 nm蓝移至506 nm。与此同时，两种离子掺杂均降低了绿光陶瓷的热稳定性能。但通过变温发射谱及量子产率表征发现，Ga

离子对陶瓷热性能的影响比Sc

离子的小。将两个系列的陶瓷样品封装在3 W的蓝光LED芯片上，获得了具有不同光色的绿光光源。其中，Ga

系列陶瓷展现出了更优异的光色可调性，并且维持着更高的光效。综上，我们认为Ga

离子掺杂的LuAG∶Ce

陶瓷是一种具有较大潜力的绿色荧光转换材料。

Abstract

LuAG∶Ce

is an efficient and stable commercial green phosphor-converted material. Two series of Lu

∶Ce

transparent ceramics（TCs） doped with Ga

/Sc

ions were fabricated by vacuum sintering. The effects of doping ions and their concentration on crystal structure， fluorescence properties， and thermal stability were investigated. Both Ga

and Sc

doped LuAG∶Ce

samples exhibit a blue-shift under 450 nm blue light excitation. Significantly， Ga

doped samples have more effective spectral modulation， and the emission spectrum shifts from 536 nm to 506 nm when Ga

concentration increases from 0% to 20%. Meanwhile， it is found from temperature-dependence spectrum and quantum yield characterization that Ga

doped ions have less impact on thermal stability of LuAG∶Ce

ceramics. By encapsulating the ceramic samples on 3 W blue LED chips， green light sources with various spectra were obtained. Among them， Ga

doped LuAG∶Ce

samples show better color tunability and maintain higher light efficiency. In summary， Ga

doped LuAG∶Ce

ceramic is a promising green phosphor-converted material.

关键词

LuAG透明陶瓷绿色荧光转换材料变温发射谱

Keywords

LuAGtransparent ceramicsgreen color convertertemperature-dependence spectrum

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