Optical properties of SrB6O10:RE (RE=Eu3+, Tb3+) under vacuum ultraviolet excitation

被引：0
|
作者：
Dong Q. [1 ]
He L. [1 ]
Sun W. [1 ]
机构：
[1] College of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2016年 / 44卷 / 04期
关键词：
Color saturation; Decay time; Quenching concentrations; Strontium hexaborate; Vacuum ultraviolet;
D O I：
10.14062/j.issn.0454-5648.2016.04.19
中图分类号：
学科分类号：
摘要：
Rare earth ions (Eu3+ or Tb3+) doped SrB6O10 phosphors were prepared by sol-gel method. Their photoluminescence properties under vacuum ultraviolet (VUV) excitation were evaluated. In the excitation spectra, a strong absorption band of the host lattice was observed in the VUV region. It indicates that SrB6O10:RE (RE=Eu3+, Tb3+) have better luminescence performance under VUV excitation. The quenching concentrations are 30% for SrB6O10:Eu3+ and 25% for SrB6O10:Tb3+, respectively. SrB6O10:Eu3+ shows better color saturation than commercial red phosphor (Y,Gd)BO3:Eu3+ (KX-504A), and SrB6O10:Tb3+ has shorter decay time than commercial phosphor Zn2SiO4:Mn2+ (KX-502). © 2016, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.
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页码：583 / 587
页数：4
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