M2EuxLn1-xAlO5(M=Ca, Sr, Ba, Ln=La, Gd, Lu)红色荧光粉发光性质的研究

孙晓园; 王玉晓; 祁金刚; 于立军; 骆永石; 张家骅; 吴春雷

doi:10.3788/fgxb20163702.0138

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M₂Eu_xLn_1-xAlO₅(M=Ca, Sr, Ba, Ln=La, Gd, Lu)红色荧光粉发光性质的研究

材料合成及性能 | 更新时间：2020-08-12

- M₂Eu_xLn_1-xAlO₅(M=Ca, Sr, Ba, Ln=La, Gd, Lu)红色荧光粉发光性质的研究
- Photoluminescence Properties of M₂Eu_xLn_1-xAlO₅(M=Ca, Sr, Ba, Ln=La, Gd, Lu) Red Phosphor
- 发光学报 2016年37卷第2期页码：138-143
- 作者机构：
  
  1. 发光学及应用国家重点实验室中国科学院长春光学精密机械与物理研究所,吉林长春,130033
  2. 长春师范大学物理学院,吉林长春,130032
  3. 哈尔滨工业大学物理系,黑龙江哈尔滨,150001
  4. 牡丹江师范学院理学院,黑龙江牡丹江,157012
- 作者简介：
- 基金信息：
  
  国家自然科学基金青年科学基金(51202019);国家自然科学基金面上项目(114747078);长春师范大学自然科学基金资助项目
- DOI：10.3788/fgxb20163702.0138
  中图分类号： O482.31
- 纸质出版日期：2016-2-10，
  
  收稿日期：2015-10-21，
  
  修回日期：2015-11-24，
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孙晓园, 王玉晓, 祁金刚等. M2EuxLn1-xAlO5(M=Ca, Sr, Ba, Ln=La, Gd, Lu)红色荧光粉发光性质的研究[J]. 发光学报, 2016,37(2): 138-143

SUN Xiao-yuan, WANG Yu-xiao, QI Jin-gang etc. Photoluminescence Properties of M2EuxLn1-xAlO5(M=Ca, Sr, Ba, Ln=La, Gd, Lu) Red Phosphor[J]. Chinese Journal of Luminescence, 2016,37(2): 138-143
孙晓园, 王玉晓, 祁金刚等. M2EuxLn1-xAlO5(M=Ca, Sr, Ba, Ln=La, Gd, Lu)红色荧光粉发光性质的研究[J]. 发光学报, 2016,37(2): 138-143 DOI： 10.3788/fgxb20163702.0138.

SUN Xiao-yuan, WANG Yu-xiao, QI Jin-gang etc. Photoluminescence Properties of M2EuxLn1-xAlO5(M=Ca, Sr, Ba, Ln=La, Gd, Lu) Red Phosphor[J]. Chinese Journal of Luminescence, 2016,37(2): 138-143 DOI： 10.3788/fgxb20163702.0138.

摘要

用高温固相反应法合成了

AlO

(

=Ca

=La

Gd)荧光粉

研究了荧光粉的发光性质。在紫外光和近紫外光激发下

样品的发射光谱由Eu

的

(

4) 特征发射组成。其中Eu

离子位于590 nm附近的

和位于620 nm附近的

跃迁发射的强度最强。荧光粉的激发光谱都是由O

-Eu

电荷迁移带和Eu

的f-f 跃迁构成的。

AlO

(

=Ca

Ba)的O

-Eu

的电荷迁移带的峰位按Ca、Sr、Ba顺序向长波方向移动。研究了用La、Gd和Lu替代Sr

AlO

中

的位置对样品发光的影响。给出了Eu

浓度对发光强度的影响。分析了Sr

AlO

和Sr

-AlO

的荧光寿命。

Abstract

The red emitting phosphors

AlO

(

=Ca

=La

Gd) were synthesized through the solid state reaction technique. The photoluminescence properties were described. Upon excitation with UV and near UV light excitation

the photoluminescence emission spectra could be assigned to the transitions of Eu

from the initial state

to the final states

(J=

4). The two strong emissions peaked at 590 nm and 620 nm

which arose from the

and

transitions of Eu

respectively. The photoluminescence excitation spectra show abroad O

-Eu

charge-transfer band and f-f transitions. O

-Eu

charge-transfer bands of

AlO

(

= Ca

Ba) shift to the longer wavelength in order of Ca

Ba. The replacement of

in Sr

AlO

by La

Gd and Lu was studied. The dependence of the integrated luminescence intensities on Eu

concentration was presented. The lifetimes of Sr

-AlO

and Sr

AlO

were analyzed.

关键词

荧光粉发光白光LED

Keywords

phosphorphotoluminescencewhite light emitting diode

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