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激光照明用La3Si6N11∶Ce3+荧光玻璃薄膜合成及其性能调控
增强出版Synthesis and Performance of La3Si6N11∶Ce3+ Phosphor-in-glass Films for Laser Lighting Applications
- 发光学报 2021年42卷第10期 页码：1482-1492
- 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：
[ "黄敏航(1997-)，男，浙江台州人，硕士研究生， 2019年于长春理工大学光电信息学院获得学士学位，主要从事发光材料的合成及性能的研究。E-mail: 2639603906@qq.com" ]
[ "邾强强(1988-)，男，安徽芜湖人，博士，副研究员，2016年于中国科学技术大学获得博士学位，主要从事新型照明显示材料及器件的研究。E-mail:zhuqiangqiang@cjlu.edu.cn" ]
[ "王乐(1981-)，女，河南驻马店人，博士，教授，硕士研究生导师，2012年于浙江大学获得博士学位，主要从事发光材料与器件、新型照明与显示技术、光谱分析与测试仪器的研究。E-mail:calla@cjlu.edu.cn" ]
- 基金信息：浙江省杰出青年基金(LR19F050001);国家自然科学基金(51832005;62075203;51702339);国家重点研发计划(2017YFB0403100;2017YFB0403105)
DOI：10.37188/CJL.20210076
中图分类号： O482.31收稿：2021-03-02，
修回：2021-03-16，
纸质出版：2021-10-01
- 稿件说明：
移动端阅览
黄敏航, 邾强强, 孟遥, 等. 激光照明用La3Si6N11∶Ce3+荧光玻璃薄膜合成及其性能调控[J]. 发光学报, 2021,42(10):1482-1492.
Min-hang HUANG, Qiang-qiang ZHU, Yao MENG, et al. Synthesis and Performance of La3Si6N11∶Ce3+ Phosphor-in-glass Films for Laser Lighting Applications[J]. Chinese Journal of Luminescence, 2021, 42(10): 1482-1492.
黄敏航, 邾强强, 孟遥, 等. 激光照明用La3Si6N11∶Ce3+荧光玻璃薄膜合成及其性能调控[J]. 发光学报, 2021,42(10):1482-1492. DOI： 10.37188/CJL.20210076.
Min-hang HUANG, Qiang-qiang ZHU, Yao MENG, et al. Synthesis and Performance of La3Si6N11∶Ce3+ Phosphor-in-glass Films for Laser Lighting Applications[J]. Chinese Journal of Luminescence, 2021, 42(10): 1482-1492. DOI： 10.37188/CJL.20210076.
摘要
高性能荧光转换材料的开发是激光照明技术发展的关键，由于荧光材料会受到高功率激光的激发，因此必须具有高导热性能及优良的高温稳定性。荧光玻璃薄膜材料由于其优异的综合性能，在激光照明显示领域表现出了良好的应用前景。传统Y
3
Al
5
O
12
∶Ce
3+
(YAG∶Ce
3+
)荧光玻璃薄膜由于显色性能较差，难以满足高品质激光照明应用的需求。氮化物荧光材料La
3
Si
6
N
11
∶Ce
3+
由于结构的特性，表现出比YAG∶Ce
3+
更宽的发光光谱和更好的热猝灭性能。本工作针对高显色激光照明的应用需求，在镀有光学薄膜(蓝光透过)的高导热蓝宝石基板上制备了La
3
Si
6
N
11
∶Ce
3+
(LSN∶Ce
3+
)荧光玻璃薄膜，并研究了合成温度、荧光粉与玻璃粉的比例(PtG比)、薄膜厚度以及蓝光透过光学薄膜对最终样品发光性能的影响。通过工艺优化，在800 ℃条件下获得了综合性能优异的LSN∶Ce
3+
荧光玻璃薄膜(PtG比为1∶1，厚度为50 μm)，样品可承受最大功率密度为12.73 W/mm
2
蓝色激光的激发，发光效率可以达到157.6 lm/W。此外，LSN∶Ce
3+
荧光玻璃薄膜显色指数
R
a
相比YAG∶Ce
3+
提高了9%左右，达到了74.9，在高显色、高功率激光照明领域表现出良好的应用前景。
Abstract
The development of high-performance color converters is the key to laser lighting technology. Due to the high-power excitation from the laser lighting
the color converters must have high thermal conductivity and excellent high-temperature stability. The phosphor-in-glass(PiG) film is promising for high-power laser lighting applications due to its excellent comprehensive performance. The traditional Y
3
Al
5
O
12
∶Ce
3+
(YAG∶Ce
3+
) PiG film can hardly achieve high-quality white lighting due to its poor color rendering. Compared with YAG∶Ce
3+
nitride phosphor La
3
Si
6
N
11
∶Ce
3+
(LSN∶Ce
3+
) exhibits broader emission spectrum and better thermal quenching behavior. In this work
LSN∶Ce
3+
PiG film was prepared on a blue-pass(BP) optical film coated high thermal conductivity sapphire substrate. The effects of sintering temperature
ratio of phosphor to glass powder(PtG)
film thickness
and BP optical film on the luminescence properties of final samples were studied. With the optimized synthetic process
LSN∶Ce
3+
PiG film of excellent properties can be achieved at 800 ℃
1∶1 PtG ratio and 50 μm thickness. The sample could be excited by a blue-laser with high flux density up to 12.73 W/mm
2
and showed a luminous efficiency of 157.6 lm/W. Furthermore
the color rendering index of LSN∶Ce
3+
PiG film can reach 74.9
which is 9% higher than that of YAG∶Ce
3+
indicating great potential in high power laser lighting applications with high color rendering.
关键词
Keywords
references
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