Preparation and Luminescence Properties of Red Sr3LiSbO6∶Eu3+ Phosphor

Xiao PENG; Wei-wei YANG; Dong-xiong LING; Wei LYU

doi:10.37188/CJL.20200371

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Preparation and Luminescence Properties of Red Sr₃LiSbO₆∶Eu³⁺ Phosphor

Synthesis and Properties of Materials | 更新时间：2021-04-23

- Preparation and Luminescence Properties of Red Sr₃LiSbO₆∶Eu³⁺ Phosphor
- Chinese Journal of Luminescence Vol. 42, Issue 4, Pages: 455-461(2021)
- 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：
- 基金信息：
  
  National Natural Science Foundation of China(31771584;51772287);Shenzhen Basic Research Project(JCYJ20170818100153423);Natural Science Foundation of SZU(2017000193)
- DOI：10.37188/CJL.20200371
  CLC： O482.31
- Published：01 April 2021，
  
  Received：05 December 2020，
  
  Revised：13 January 2021，
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Xiao PENG, Wei-wei YANG, Dong-xiong LING, et al. Preparation and Luminescence Properties of Red Sr₃LiSbO₆∶Eu³⁺ Phosphor. [J]. Chinese Journal of Luminescence 42(4):455-461(2021)
DOI：

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

摘要

采用高温固相法制备了Sr

LiSbO

∶Eu

(SLSO∶Eu

)红色荧光粉。系统研究了Eu

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

LiSbO

∶Eu

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

LiSbO

∶Eu

是一种新型LED红色荧光材料。

Abstract

LiSbO

∶Eu

red phosphors were synthesized by high temperature state reaction. The influence of Eu

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

LiSbO

∶Eu

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

LiSbO

∶Eu

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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