LED用红色发光材料 Li3Ba2Ln3-xEux(MoO4)8的制备及性能

高 飞; 梁利芳; 郭崇峰

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LED用红色发光材料 Li₃Ba₂Ln_3-xEu_x(MoO₄)₈的制备及性能

论文 | 更新时间：2020-08-12

- LED用红色发光材料 Li₃Ba₂Ln_3-xEu_x(MoO₄)₈的制备及性能
- Preparation and Luminescence of Red Light-emitting Phosphors Based on Li₃Ba₂Ln_3-xEu_x(MoO₄)₈ by Sol-gel Method
- 发光学报 2009年30卷第5期页码：610-616
- 作者机构：
  
  1. 广西师范学院化学系
  2. 华中科技大学武汉光电国家实验室
  3. 常德职业技术学院
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31
- 收稿：2009-01-15，
  
  修回：1900-1-2，
  
  网络首发：2009-10-30，
  
  纸质出版：2009-10-30
- 稿件说明：
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高飞, 梁利芳, 郭崇峰. LED用红色发光材料 Li₃Ba₂Ln_3-xEu_x(MoO₄)₈的制备及性能[J]. 发光学报, 2009,30(5):610-616.

GAO Fei, LIANG Li-fang, GUO Chong-feng. Preparation and Luminescence of Red Light-emitting Phosphors Based on Li₃Ba₂Ln_3-xEu_x(MoO₄)₈ by Sol-gel Method[J]. Chinese Journal of Luminescence, 2009, 30(5): 610-616.
高飞, 梁利芳, 郭崇峰. LED用红色发光材料 Li₃Ba₂Ln_3-xEu_x(MoO₄)₈的制备及性能[J]. 发光学报, 2009,30(5):610-616. DOI：

GAO Fei, LIANG Li-fang, GUO Chong-feng. Preparation and Luminescence of Red Light-emitting Phosphors Based on Li₃Ba₂Ln_3-xEu_x(MoO₄)₈ by Sol-gel Method[J]. Chinese Journal of Luminescence, 2009, 30(5): 610-616. DOI：

摘要

采用溶胶-凝胶法合成了发光二极管(LED)用的系列红色荧光粉Li

3-x

(MoO

)

(Ln=La

Y)。利用差热-热重(TG-DTA)分析和粉末X 射线衍射(XRD)测定了其最佳合成温度和不同温度下所得样品的结构

发现所有样品均具有单斜结构;采用荧光光谱对所得荧光粉发光性能进行了表征

发现在相同条件下所得样品的发光强度顺序为:Li

2.8

0.2

(MoO

)

＞Li

2.8

0.2

(MoO

)

＞Li

2.8

0.2

-(MoO

)

。它们在395 nm和465 nm的激发光源激发时均有强的吸收

与LED芯片发射波长相匹配。同时分析了柠檬酸及分散剂聚乙二醇(PEG-10000)的用量、Eu

离子的浓度以及焙烧温度等因素对荧光粉发光性能的影响。

Abstract

paper

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Keywords

references

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