Analysis of Ga3+/Sc3+ Substitution on Luminescence Property of LuAG∶Ce3+ Transparent Ceramics
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Synthesis and Properties of Materials|更新时间:2023-02-13
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Analysis of Ga3+/Sc3+ Substitution on Luminescence Property of LuAG∶Ce3+ Transparent Ceramics
增强出版
Chinese Journal of LuminescenceVol. 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)
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.
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.
Analysis of Ga3+/Sc3+ Substitution on Luminescence Property of LuAG∶Ce3+ Transparent Ceramics增强出版
is an efficient and stable commercial green phosphor-converted material. Two series of Lu
3
Al
5-
x
M
x
O
12
∶Ce
3+
transparent ceramics(TCs) doped with Ga
3+
/Sc
3+
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
3+
and Sc
3+
doped LuAG∶Ce
3+
samples exhibit a blue-shift under 450 nm blue light excitation. Significantly, Ga
3+
doped samples have more effective spectral modulation, and the emission spectrum shifts from 536 nm to 506 nm when Ga
3+
concentration increases from 0% to 20%. Meanwhile, it is found from temperature-dependence spectrum and quantum yield characterization that Ga
3+
doped ions have less impact on thermal stability of LuAG∶Ce
3+
ceramics. By encapsulating the ceramic samples on 3 W blue LED chips, green light sources with various spectra were obtained. Among them, Ga
3+
doped LuAG∶Ce
3+
samples show better color tunability and maintain higher light efficiency. In summary, Ga
3+
doped LuAG∶Ce
3+
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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