真空紫外光及X射线激发下Pr3+掺杂Ba3La(PO4)3 发光性质

时秋峰; 王磊; 郭海洁; 黄平; 崔彩娥; 黄艳

doi:10.37188/CJL.20210281

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真空紫外光及X射线激发下Pr³⁺掺杂Ba₃La(PO₄)₃ 发光性质

材料合成及性能 | 更新时间：2021-11-23

- 真空紫外光及X射线激发下Pr³⁺掺杂Ba₃La(PO₄)₃ 发光性质
  增强出版
- Luminescence Properties of Pr³⁺ Doped in Ba₃La(PO₄)₃ with Vacuum Ultraviolet and X-ray Excitation
- 发光学报 2021年42卷第11期页码：1756-1762
- 作者机构：
  
  1.太原理工大学　物理与光电工程学院，山西　太原　030024
  2.中国科学院高能物理研究所　北京同步辐射装置，北京　100049
- 作者简介：
  
  [ "时秋峰(1983-)，男，河北沧州人，博士，讲师，2014年于北京交通大学光电子技术研究所获得博士学位，主要从事新型发光材料设计与发光机理的研究。E-mail: shiqiufeng@tyut.edu.cn" ]
- 基金信息：
  
  山西省重点研发计划项目(201903D121097)
- DOI：10.37188/CJL.20210281
  中图分类号： O482.31
- 纸质出版日期：2021-11-01，
  
  收稿日期：2021-08-26，
  
  修回日期：2021-09-13，
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时秋峰, 王磊, 郭海洁, 等. 真空紫外光及X射线激发下Pr³⁺掺杂Ba₃La(PO₄)₃ 发光性质[J]. 发光学报, 2021,42(11):1756-1762.

Qiu-feng SHI, Lei WANG, Hai-jie GUO, et al. Luminescence Properties of Pr³⁺ Doped in Ba₃La(PO₄)₃ with Vacuum Ultraviolet and X-ray Excitation[J]. Chinese Journal of Luminescence, 2021,42(11):1756-1762.
时秋峰, 王磊, 郭海洁, 等. 真空紫外光及X射线激发下Pr³⁺掺杂Ba₃La(PO₄)₃ 发光性质[J]. 发光学报, 2021,42(11):1756-1762. DOI： 10.37188/CJL.20210281.

Qiu-feng SHI, Lei WANG, Hai-jie GUO, et al. Luminescence Properties of Pr³⁺ Doped in Ba₃La(PO₄)₃ with Vacuum Ultraviolet and X-ray Excitation[J]. Chinese Journal of Luminescence, 2021,42(11):1756-1762. DOI： 10.37188/CJL.20210281.

摘要

4f5d具有大的辐射跃迁速率，是高效快响应闪烁体材料较有前景的发光中心离子。本文采用高温固相法制备了Pr

掺杂Ba

La(PO

)

(BLP)光转换材料，对其物相、真空紫外发光性质、X射线激发发光性质、发光衰减特性和发光热稳定性进行了表征。结果表明，BLP∶Pr

具有高效的Pr

4f5d宽带发光，发光寿命为~15 ns，且具有较好的发光热稳定性。在基质172 nm激发下，存在基质到Pr

4f5d的能量传递，而在X射线激发下可能受表面缺陷影响未发现明显的Pr

4f5d发光。本文研究结果表明，BLP∶Pr

在作为真空紫外到UV-C光转换材料方面具有潜在的应用价值。本研究对于设计新型快响应闪烁体具有一定的指导意义。

Abstract

The radiative transition rate of Pr

4f5d is large

which makes it as a promising luminescence center of fast scintillators. Samples of Ba

La(PO

)

(BLP) activated with Pr

were prepared through high temperature solid state method and characterized by XRD

temperature-dependent luminescence spectra upon VUV-UV and X-ray excitations and decay curves. Efficient and thermal stable Pr

4f5d broad band emission with decay time of ~15 ns was observed. There is energy transfer from host to Pr

4f5d upon excitation at 172 nm

however

the energy transfer is absent upon X-ray excitation which is attributed to influence of defects on surface. The results indicate that BLP∶Pr

could be applied as an efficient VUV to UV-C converting material. In addition

the research is also important for designing novel fast scintillators.

关键词

真空紫外光Pr3+4f5d能量传递衰减曲线基质发光

Keywords

vacuum ultravioletPr3+4f5denergy transferdecay curveshost luminescence

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