Effect of Ga3+ doping on the luminescence and up-conversion of Pr3+ activated (Lu,Y)3Al5O12

被引：0
|
作者：
Schröder F. [1 ]
Jüstel T. [1 ]
机构：
[1] Department of Chemical Engineering, Münster University of Applied Sciences, Stegerwaldstraße 39, Steinfurt
来源：
Optical Materials: X | 2021年 / 12卷
关键词：
Garnets; Photoluminescence; Praseodymium; Temperature dependent spectroscopy; Up-conversion;
D O I：
10.1016/j.omx.2021.100117
中图分类号：
学科分类号：
摘要：
This work concerns the down- and up-conversion properties of microcrystalline samples of Pr3+ doped (Lu,Y)3(Al,Ga)5O12. In order to figure out a relation between the down- and up-conversion efficiency, the optical properties involved in the up-conversion process were observed in more detail by excitation and emission measurements, under X-ray, VUV, UV-C, and blue light excitation. The phase purity was determined by using X-ray powder diffraction and diffused reflection measurements as well as time and temperature dependent measurements were performed. In addition, Al3+ was substituted within 20% steps by Ga3+ and some investigation on the change in the optical properties with increasing Ga3+ concentration was made. © 2021 The Authors
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