无容器凝固制备Ce3+∶Y3Al5O12-Al2O3纳米荧光陶瓷及其在激光照明中的应用

冯少尉; 张英; 郭永昶; 李建强

doi:10.37188/CJL.20210167

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无容器凝固制备Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃纳米荧光陶瓷及其在激光照明中的应用

特邀报告 | 更新时间：2021-10-17

- 无容器凝固制备Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃纳米荧光陶瓷及其在激光照明中的应用
  增强出版
- Preparation of Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃ Nano Ceramics by Aerodynamic Suspension Solidification for LDs-driven Lighting Application
- 发光学报 2021年42卷第10期页码：1510-1519
- 作者机构：
  
  1.中国科学院过程工程研究所　湿法冶金清洁生产技术国家工程实验室，中国科学院绿色过程与工程重点实验室，北京　 100190
  2.中国科学院大学，北京　 100049
- 作者简介：
  
  [ "冯少尉(1990-)，男，山东泰安人，博士研究生，2018年于上海大学获得硕士学位，主要从事光电功能陶瓷的研究。E-mail: swfeng@ipe.ac.cn" ]
  [ "张英(1992-)，女，河北衡水人，博士研究生，2016年于中国矿业大学(北京)获得学士学位，主要从事稀土发光功能陶瓷材料的研究。E-mail: yingzhang@ipe.ac.cn" ]
  [ "李建强(1975-)，男，河南许昌人，博士，研究员，博士研究生导师，2004年于清华大学获得博士学位，主要从事无容器凝固技术制备无机功能材料的研究。E-mail: jqli@ipe.ac.cn" ]
- 基金信息：
  
  国家自然科学基金(51972304;51971208);北京市科技项目(Z191100004819002);中国载人空间站科学实验项目;2021中国科学院院长国际奖学金计划(2021VEA0012)
- DOI：10.37188/CJL.20210167
  中图分类号： O482.31
- 纸质出版日期：2021-10-01，
  
  收稿日期：2021-05-01，
  
  修回日期：2021-05-18，
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冯少尉, 张英, 郭永昶, 等. 无容器凝固制备Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃纳米荧光陶瓷及其在激光照明中的应用[J]. 发光学报, 2021,42(10):1510-1519.

Shao-wei FENG, Ying ZAHNG, Yong-chang GUO, et al. Preparation of Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃ Nano Ceramics by Aerodynamic Suspension Solidification for LDs-driven Lighting Application[J]. Chinese Journal of Luminescence, 2021,42(10):1510-1519.
冯少尉, 张英, 郭永昶, 等. 无容器凝固制备Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃纳米荧光陶瓷及其在激光照明中的应用[J]. 发光学报, 2021,42(10):1510-1519. DOI： 10.37188/CJL.20210167.

Shao-wei FENG, Ying ZAHNG, Yong-chang GUO, et al. Preparation of Ce³⁺∶Y₃Al₅O₁₂-Al₂O₃ Nano Ceramics by Aerodynamic Suspension Solidification for LDs-driven Lighting Application[J]. Chinese Journal of Luminescence, 2021,42(10):1510-1519. DOI： 10.37188/CJL.20210167.

摘要

蓝光激光二极管激发荧光材料获得高亮度光源技术逐渐成为大功率照明和显示领域的重要发展方向。激光照明与显示的研究涉及发光材料、光学工程、机械结构和电路设计等多学科领域，其中光学设计和荧光转换材料与器件属于核心技术，由于较高的研发和生产成本，限制了其广泛应用。本文采用无容器凝固技术快速、低成本制备Ce

∶Y

-Al

(Ce

∶AY26)基荧光纳米陶瓷，通过调控Ce

掺杂浓度优化其发光性能，0.5%Ce

∶AY26获得了高内量子效率(87.4%)；过量的Al

做为第二相能够起到散射中心作用，提高激光激发的转换效率和光束均匀性，并且Al

具有高热导率，制备的Ce

∶AY26基荧光纳米陶瓷的内量子效率在温度升到200 ℃时，仍保持室温下的95%。通过透射式激光照明测试系统，对比研究了厚度为1.5 mm荧光纳米陶瓷片和半径为1.5 mm半球形荧光纳米陶瓷在高功率密度蓝光激光辐照下的光色性能，实现了174 lm·W

-1

的流明效率。利用无容器凝固技术制备半球形荧光纳米陶瓷，有望从材料制备方法的角度简化透射式激光照明模组的光学结构设计，未来具有巨大的应用潜力。

Abstract

Obtaining high luminance light source by emitting and excitation of blue-emitting laser diodes(LDs) has become an important research direction in the field of high-power lighting and display. This field involves multiple disciplines including luminescent materials

optical engineering

mechanical structure and circuit design

among which optical design and color conversion materials and devices are key technologies. Due to their high research and production expenditure

they have become one of the factors limiting the realization of large-scale and widespread applications. In this paper

the rapid and low cost preparation of Ce

∶Y

-Al

(Ce

∶AY26)based phosphor nanoceramics by pneumatic suspension solidification was studied. The luminescence performance was optimized by adjusting Ce

doping concentration for achieving higher quantum efficiency (87.4%). As the second phase

not only can play the role of scattering center and improve the conversion efficiency and beam uniformity of laser excitation

but also has higher thermal conductivity

which plays a key role in improving the thermal stability

and Ce

∶AY26 phosphor nanoceramics still hold 95% of room temperature quantum efficiency when temperature reached 200 ℃. Through the transmission laser illumination test system

the optical and color properties of 1.5 mm thick phosphor nanoceramics sheet with LE of 174 lm·W

-1

and 1.5 mm semispherical phosphor nanoceramic under high power density blue laser irradiation were studied. Hemispherical phosphor nanoceramics prepared by containerless solidification technology are expected to simplify the optical structure design of transmission laser illumination modules from the point of view of material preparation methods and have great application potential in the future.

关键词

无容器凝固Ce3+∶Y3Al5O12-Al2O3荧光纳米陶瓷激光照明

Keywords

containerless solidificationCe3+∶Y3Al5O12-Al2O3phosphor nanoceramicsLDs-driven lighting

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