Preparation, characterization and luminescence properties of Dy3+ doped borate glasses

被引：0
|
作者：
Qiao Y.-P. [1 ]
Zhang P. [1 ]
Yin H.-R. [1 ]
Li Y.-X. [1 ]
Liu J. [1 ]
Zhou Q. [1 ]
机构：
[1] School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi'an
来源：
Qiao, Yin-Po (ypqiao@sust.edu.cn) | 2016年 / Editorial Office of Chinese Optics卷 / 37期
关键词：
Borate glass; Concentration quenching; Dy[!sup]3+[!/sup] doped; Fluorescent lifetime; Luminescent glass;
D O I：
10.3788/fgxb20163708.0948
中图分类号：
学科分类号：
摘要：
A series of Dy3+ doped B2O3-ZnO-Na2O-Al2O3 glasses (BZNA:xDy) were prepared by high temperature melting method. The structure, composition and luminescence property of BZNA:xDy samples were characterized through FTIR, UV-Vis-NIR and fluorescence spectra. The absorption spectra showed the characteristics peaks of glass substrate and the energy level transition of Dy3+. Under 350 nm excitation, the luminescence intensity, ratio of yellow and blue emission peaks, fluorescence lifetime, color coordinate and color temperature of BZNA:xDy samples can be adjusted and changed according to the content of Dy3+. The luminescent intensity of Dy3+ doped samples are observed to be enhanced firstly and then decrease after 1.0% of Dy3+ mole fraction. Thus, the concentration quenching of Dy occurs in the samples. Meanwhile, the fluorescence lifetime of samples decreases with the increasing doping concentration of rare earth ions. Furthermore, the chromaticity coordinates values and the color temperatures of the emission are reduced gradually. © 2016, Science Press. All right reserved.
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页码：948 / 954
页数：6
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