Eu3+离子激活荧光粉Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 &le; x &le; 1)的发光性质

阮威威; 刘志国; 刘成振; 阮健; 韩建军; 赵修建

doi:10.3788/fgxb20173808.0995

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Eu³⁺离子激活荧光粉Ca_1.9 Eu_0.1 NaMg_2-x Zn_x(VO₄)₃(0 ≤ x ≤ 1)的发光性质

材料合成及性能 | 更新时间：2020-08-12

- Eu³⁺离子激活荧光粉Ca_1.9 Eu_0.1 NaMg_2-x Zn_x(VO₄)₃(0 ≤ x ≤ 1)的发光性质
- Photoluminescence Properties of Eu³⁺-activated Ca_1.9 Eu_0.1 NaMg_2-x Zn_x(VO₄)₃(0 ≤ x ≤ 1.0) Phosphor
- 发光学报 2017年38卷第8期页码：995-1002
- 作者机构：
  
  硅酸盐建筑材料国家重点实验室武汉理工大学, 湖北武汉 430070
- 作者简介：
- 基金信息：
  
  国家自然科学基金（51302202）();高校博士学科专项科研基金（20120143120006）();湖北省自然科学基金（2015CFB648）();中央高校基本科研
- DOI：10.3788/fgxb20173808.0995
  中图分类号： O482.31
- 纸质出版日期：2017-8-5，
  
  收稿日期：2017-1-25，
  
  修回日期：2017-3-9，
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阮威威, 刘志国, 刘成振等. Eu3+离子激活荧光粉Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 ≤ x ≤ 1)的发光性质[J]. 发光学报, 2017,38(8): 995-1002

RUAN Wei-wei, LIU Zhi-guo, LIU Cheng-zhen etc. Photoluminescence Properties of Eu3+-activated Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 ≤ x ≤ 1.0) Phosphor[J]. Chinese Journal of Luminescence, 2017,38(8): 995-1002
阮威威, 刘志国, 刘成振等. Eu3+离子激活荧光粉Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 ≤ x ≤ 1)的发光性质[J]. 发光学报, 2017,38(8): 995-1002 DOI： 10.3788/fgxb20173808.0995.

RUAN Wei-wei, LIU Zhi-guo, LIU Cheng-zhen etc. Photoluminescence Properties of Eu3+-activated Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 ≤ x ≤ 1.0) Phosphor[J]. Chinese Journal of Luminescence, 2017,38(8): 995-1002 DOI： 10.3788/fgxb20173808.0995.

摘要

采用固相反应法合成了Eu

离子激活的Ca

1.9

0.1

NaMg

（VO

）

（0

1），并研究了其发光和热猝灭性能。经粉末X射线衍射确认，反应产物由目标相和微量杂质相EuVO

构成。在355 nm激发下，样品中均能同时观察到来自[VO

]

基团和Eu

离子的特征发光。研究结果表明：随着

值的增加，上述两种发光的强度均先增加后降低；而它们的最强激发峰位置由347 nm逐渐地红移至356 nm，Stokes位移也逐渐地减小。这种现象应归因于Zn3d轨道和O2p轨道间很强的轨道杂化效应，这种效应随着

值的增加而逐渐增强。此外，Eu

离子荧光发射强度最大值对应的

值与自激活荧光的不同。当

=1.0时，两者的相对强度差别最大。经荧光热猝灭测试确认，上述现象是由样品中的自激活荧光表现出比Eu

离子荧光更严重的荧光热猝灭造成的。因而，在紫外光激发下，样品发出荧光的颜色具有温度敏感性。

Abstract

-activated Ca

1.9

0.1

NaMg

(VO

)

1) were synthesized by solid-state reaction route

and their photoluminescence and thermal quenching properties were studied. The samples were verified through powder X-ray diffraction

and the target phase was identified with tiny impurity of EuVO

in the obtained product. Excited by 355 nm

all the samples show the characteristic emissions from[VO

]

group and Eu

ion. With the increment of

value

the intensity of either of the above mentioned emissions increases at first and then decreases

while a red-shifting excitation peak from 347 nm to 356 nm and a decreasing Stokes-shift can be observed. Stronger hybridization effect occurres between the Zn3d orbital and the O2p orbital resulted by the increasing

value which is supposed to be responsible for that phenomena. Furthermore

the

value corresponding to the observed intensity maximum for Eu

emission is different from the one for self-activated emission. Their highest difference is observed in the sample of

=1.0. It could be due to an apparently more serious thermal quenching of self-activated emission than that of Eu

ion emission. Then

a temperature-sensitive color of the emission is also observed in the samples excited by the near ultraviolet light.

关键词

荧光粉碱土钒酸盐自激活荧光Eu3+离子荧光热猝灭

Keywords

phosphoralkaline earth vanadateself-activated emissionEu3+ ionphotoluminescence thermal quenching

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Eu3+离子激活荧光粉Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 ≤ x ≤ 1)的发光性质

Photoluminescence Properties of Eu3+-activated Ca1.9 Eu0.1 NaMg2-x Znx(VO4)3(0 ≤ x ≤ 1.0) Phosphor

DOI：10.3788/fgxb20173808.0995

摘要

Abstract

关键词

Keywords

references

Eu³⁺离子激活荧光粉Ca_1.9 Eu_0.1 NaMg_2-x Zn_x(VO₄)₃(0 ≤ x ≤ 1)的发光性质

Photoluminescence Properties of Eu³⁺-activated Ca_1.9 Eu_0.1 NaMg_2-x Zn_x(VO₄)₃(0 ≤ x ≤ 1.0) Phosphor