YVO4：Tm3+的真空紫外发光性能

沈雷军; 李波; 王忠志; 高乐乐; 周永勃; 赵增祺; 张国斌

doi:10.3788/fgxb20143509.1034

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YVO₄：Tm³⁺的真空紫外发光性能

材料合成及性能 | 更新时间：2020-08-12

- YVO₄：Tm³⁺的真空紫外发光性能
- Vacuum Ultraviolet Spectra of YVO₄：Tm³⁺
- 发光学报 2014年35卷第9期页码：1034-1039
- 作者机构：
  
  1. 中国科学技术大学国家同步辐射实验室合肥,230029
  2. 包头稀土研究院,内蒙古包头,014010
- 作者简介：
- 基金信息：
  
  包头钢铁集团项目（2012H1733）资助()
- DOI：10.3788/fgxb20143509.1034
  中图分类号： O482.31
- 收稿日期：2014-05-19，
  
  修回日期：2014-07-24，
  
  纸质出版日期：2014-09-03
- 稿件说明：
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沈雷军, 李波, 王忠志等. YVO4：Tm3+的真空紫外发光性能[J]. 发光学报, 2014,35(9): 1034-1039

SHEN Lei-jun, LI Bo, WANG Zhong-zhi etc. Vacuum Ultraviolet Spectra of YVO4：Tm3+[J]. Chinese Journal of Luminescence, 2014,35(9): 1034-1039
沈雷军, 李波, 王忠志等. YVO4：Tm3+的真空紫外发光性能[J]. 发光学报, 2014,35(9): 1034-1039 DOI： 10.3788/fgxb20143509.1034.

SHEN Lei-jun, LI Bo, WANG Zhong-zhi etc. Vacuum Ultraviolet Spectra of YVO4：Tm3+[J]. Chinese Journal of Luminescence, 2014,35(9): 1034-1039 DOI： 10.3788/fgxb20143509.1034.

摘要

通过高温固相反应合成YVO

：

Tm（

=0.001，0.003，0.005，0.007，0.01，0.03，0.05）蓝色系列粉末状发光材料。经X射线衍射分析产物为单相，属四方锆英石结构，其结果与JCPDS标准卡（72-0861）相符。检测了材料的真空紫外激发光谱和发射光谱。YVO

：

Tm的真空紫外激发光谱在120~350 nm范围内为连续的带状峰，在155 nm和333 nm附近有明显的峰值。在155 nm激发下，YVO

：

Tm的发射光谱由两部分组成，其中主发射峰在474 nm附近呈一尖锐的线状，来自Tm

的

跃迁;在650 nm左右有一弱发射峰，来自Tm

的

跃迁。另外，还有一较弱的带状发射，中心位于540 nm左右，来自样品的VO

离子的宽带发射。随着Tm

摩尔分数

由0.001增加到0.005，Tm

发射光谱强度逐渐增加到最大值。之后随着

继续增加，发射光谱强度逐渐下降，呈现明显的浓度猝灭现象。通过对YVO

：

Tm的光谱分析及其发光机理进行推导，认为YVO

：Tm

在紫外及真空紫外激发下，是一种具有较高发光效率以及色纯度较好的蓝色发光材料。

Abstract

Series of blue phosphors YVO

Tm (

=0.001

0.003

0.005

0.007

0.01

0.03

0.05) were synthesized by the high temperature solid state reaction in this paper. X-ray diffraction shows that the product is a tetragonal zircon structured single phase. The result is consistent with JCPDS standard card (72-0861). The vacuum UV excitation spectrum and emission spectra of the phosphors at room temperature were also detected. The vacuum UV excitation spectrum of YVO

Tm includes a continuous banded peak in the range of 120-350 nm

and there are two significant peaks at 155 nm and 333 nm. Excited by 155 nm

the emission spectrum of YVO

Tm consists of two parts. The main emission spectrum at 474 nm is a sharp peak

caused by

transition of Tm

. The weaker emission peak is at 650 nm

which is generated by

transition of Tm

. In addition

there is a weak band emission centering around 540 nm

which presents broadband emission of VO

ions. With the increasing of Tm

mole fraction (

) from 0.001 to 0.005

the emission intensity gradually increases to a maximum value. Then

increases continuously

the emission intensity decreases gradually

presents an obvious concentration quench. By analyzing the spectra of YVO

Tm and its luminescent mechanism

it can be derived that YVO

:Tm

is a kind of blue phosphor material with high luminous efficiency and color purity under ultraviolet or vacuum ultraviolet excitation.

关键词

Keywords

references

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