Luminescence Properties of Pr3+ Doped in Ba3La(PO4)3 with Vacuum Ultraviolet and X-ray Excitation

被引：0
|
作者：
Shi Q.-F. [1 ]
Wang L. [1 ]
Guo H.-J. [1 ]
Huang P. [1 ]
Cui C.-E. [1 ]
Huang Y. [2 ]
机构：
[1] College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan
[2] Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing
来源：
Faguang Xuebao/Chinese Journal of Luminescence | 2021年 / 42卷 / 11期
关键词：
Decay curves; Energy transfer; Host luminescence; Pr[!sup]3+[!/sup]4f5d; Vacuum ultraviolet;
D O I：
10.37188/CJL.20210281
中图分类号：
学科分类号：
摘要：
The radiative transition rate of Pr3+4f5d is large, which makes it as a promising luminescence center of fast scintillators. Samples of Ba3La(PO4)3(BLP) activated with Pr3+ 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 Pr3+4f5d broad band emission with decay time of ~15 ns was observed. There is energy transfer from host to Pr3+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:Pr3+ could be applied as an efficient VUV to UV-C converting material. In addition, the research is also important for designing novel fast scintillators. © 2021, Science Press. All right reserved.
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页码：1756 / 1762
页数：6
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