SrAl12O19：Eu2+,Dy3+紫色荧光粉的制备及光谱特性

咸德玲; 黄可龙; 李朝建

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SrAl₁₂O₁₉：Eu²⁺,Dy³⁺紫色荧光粉的制备及光谱特性

材料合成及性能 | 更新时间：2020-08-11

- SrAl₁₂O₁₉：Eu²⁺,Dy³⁺紫色荧光粉的制备及光谱特性
- Preparation and Spectral Properties of SrAl₁₂O₁₉：Eu²⁺,Dy³⁺ Violet Fluorescent Powder
- 发光学报 2007年28卷第3期页码：397-401
- 作者机构：
  
  中南大学, 化学化工学院
- 作者简介：
- 基金信息：
  
  2005年中南大学大学生创新教育基金资助项目(lz0502)()
- DOI：
  中图分类号： O482.31
- 收稿：2006-06-18，
  
  修回：2006-11-24，
  
  纸质出版：2007-05-20
- 稿件说明：
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咸德玲, 黄可龙, 李朝建. SrAl12O19：Eu2+,Dy3+紫色荧光粉的制备及光谱特性[J]. 发光学报, 2007,28(3): 397-401

XIAN De-ling, HUANG Ke-long, LI Zhao-jian. Preparation and Spectral Properties of SrAl12O19：Eu2+,Dy3+ Violet Fluorescent Powder[J]. Chinese Journal of Luminescence, 2007,28(3): 397-401
咸德玲, 黄可龙, 李朝建. SrAl12O19：Eu2+,Dy3+紫色荧光粉的制备及光谱特性[J]. 发光学报, 2007,28(3): 397-401 DOI：

XIAN De-ling, HUANG Ke-long, LI Zhao-jian. Preparation and Spectral Properties of SrAl12O19：Eu2+,Dy3+ Violet Fluorescent Powder[J]. Chinese Journal of Luminescence, 2007,28(3): 397-401 DOI：

摘要

以SrCO

和Al

为原料

掺杂Eu

和Dy

采用高温固相法制备了SrAl

:Eu

紫色荧光粉.当基质中n

=1:12时

改变反应温度

通过X射线衍射图谱分析晶相的转变过程.反应温度分别为1150

1200

1250℃时

改变基质中的锶铝比(n

=1:6~1:18)

探讨基质组成和反应温度对荧光粉发射光谱的影响.结果发现

随着基质中Al含量的增加和反应温度的升高

发射光谱从490nm蓝移至395nm.当n

=1:12

反应温度为1250℃时

荧光粉的发光强度最大.该荧光粉无长余辉现象.

Abstract

关键词

Keywords

references

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