红色荧光粉Sr3LiSbO6∶Eu3+制备及其发光性质

彭晓; 阳维维; 凌东雄; 吕伟

doi:10.37188/CJL.20200371

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红色荧光粉Sr₃LiSbO₆∶Eu³⁺制备及其发光性质

材料合成及性能 | 更新时间：2021-04-23

- 红色荧光粉Sr₃LiSbO₆∶Eu³⁺制备及其发光性质
- Preparation and Luminescence Properties of Red Sr₃LiSbO₆∶Eu³⁺ Phosphor
- 发光学报 2021年42卷第4期页码：455-461
- 作者机构：
  
  1.深圳大学物理与光电工程学院，广东　深圳　 518060
  2.东莞理工学院电子工程与智能化学院，广东　东莞　 523808
- 作者简介：
  
  [ "彭晓(1979-)，女，江苏淮安人，博士，副教授，2007年于中国香港理工大学获得博士学位，主要从事生物光子学领域的探针开发及生物应用的研究。E-mail: pengxiaopx@szu.edu.cn" ]
  [ "吕伟(1984-)，男，吉林汪清人，博士，副研究员，2012年于中国科学院长春光学精密机械与物理研究所获得博士学位，主要从事LED用发光材料的研究。E-mail: lvweiluwei@163.com" ]
- 基金信息：
  
  国家自然科学基金面上项目(31771584;51772287);深圳市基础研究项目(JCYJ20170818100153423);深圳大学高端人才科研启动项目(2017000193)
- DOI：10.37188/CJL.20200371
  中图分类号：
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彭晓, 阳维维, 凌东雄, 等. 红色荧光粉Sr₃LiSbO₆∶Eu³⁺制备及其发光性质[J]. 发光学报, 2021,42(4):455-461.

Xiao PENG, Wei-wei YANG, Dong-xiong LING, et al. Preparation and Luminescence Properties of Red Sr₃LiSbO₆∶Eu³⁺ Phosphor[J]. Chinese Journal of Luminescence, 2021,42(4):455-461.
彭晓, 阳维维, 凌东雄, 等. 红色荧光粉Sr₃LiSbO₆∶Eu³⁺制备及其发光性质[J]. 发光学报, 2021,42(4):455-461. DOI： 10.37188/CJL.20200371.

Xiao PENG, Wei-wei YANG, Dong-xiong LING, et al. Preparation and Luminescence Properties of Red Sr₃LiSbO₆∶Eu³⁺ Phosphor[J]. Chinese Journal of Luminescence, 2021,42(4):455-461. DOI： 10.37188/CJL.20200371.

摘要

采用高温固相法制备了Sr,3,LiSbO,6,∶Eu,3+,(SLSO∶Eu,3+,)红色荧光粉。系统研究了Eu,3+, 浓度对发光强度的影响，并对样品进行了XRD、荧光光谱(PL)、荧光寿命、热稳定性和色坐标分析。结果表明，制备的荧光粉Sr,3,LiSbO,6,∶Eu,3+,可被紫外光激发，并在612 nm处表现出较强的红光发射带。研究了样品的浓度猝灭效应，样品的最佳掺杂浓度为0.04%，猝灭主要是因为偶极-偶极相互作用引起的。此外，还探讨了样品的热稳定性，在423 K时的发光强度为室温下的43.1%。最后对样品的荧光寿命和CIE进行了测试。以上结果表明制备的荧光粉Sr,3,LiSbO,6,∶Eu,3+,是一种新型LED红色荧光材料。

Abstract

Sr,3,LiSbO,6,∶Eu,3+, red phosphors were synthesized by high temperature state reaction. The influence of Eu,3+, concentration on the luminous intensity was systematically studied, and the samples were analyzed by XRD, fluorescence spectroscopy(PL), fluorescence lifetime, thermal stability and color coordinates. The results show that the prepared phosphor Sr,3,LiSbO,6,∶Eu,3+, can be excited by ultraviolet light and exhibits a strong red light emission band at 612 nm. The concentration quenching effect of the sample was studied, and the best doping concentration of the sample was 0.04%, which was mainly caused by the dipole-dipole interaction. In addition, the thermal stability of the sample was also discussed. The luminous intensity at 423 K was 43.1% of that at room temperature. Finally, the fluorescence lifetime and CIE of the samples were tested. The above results indicate that the prepared phosphor Sr,3,LiSbO,6,∶Eu,3+, has great prospects in the synthesis of LEDs.

关键词

Sr3LiSbO6Eu3+掺杂荧光粉白光LED

Keywords

Sr3LiSbO6Eu3+ dopedphosphorsWLED

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