The down-conversion and up-conversion photoluminescence properties of Na0.5Bi0.5TiO3:Yb3+/Pr3+ ceramics

被引：48
作者：
Huang, Yinpeng [1 ]
Luo, Laihui [1 ]
Wang, Jia [1 ]
Zuo, Qianghui [1 ]
Yao, Yongjie [1 ]
Li, Weiping [1 ]
机构：
[1] Ningbo Univ, Dept Microelect Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2015年 / 118卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ELECTRICAL-PROPERTIES; SPECTROSCOPIC PROPERTIES; PR3+; EMISSION; NANOPARTICLES; LUMINESCENCE; FLUORESCENCE; ENHANCEMENT; PR3+/YB3+; GLASSES;
D O I：
10.1063/1.4927278
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Na0.5Bi0.5-x-yYbxPryTiO3 (NBT:xYb/yPr) ceramics with different Yb and Pr contents are prepared. Both the down-conversion (DC) and up-conversion (UC) photoluminescence (PL) of the ceramics via 453 and 980 nm excitation, respectively, are investigated. The effect of Yb3+ and Pr3+ doping contents on the DC and UC PL is significantly different from each other. Furthermore, the UC PL of the ceramics as a function of temperatures is measured to investigate the UC process in detail. Based on energy level diagram of Pr3+ and Yb3+ ions and the DC and UC PL spectra, the DC and UC PL mechanisms of Pr3+ and Yb3+ ions are discussed. Especially, the UC PL mechanism is clarified, which is different from the previously reported literature. Also, the temperature sensing properties of the ceramics are studied based on the photoluminescence ratio technique, using the thermal coupling energy levels of Pr3+. (C) 2015 AIP Publishing LLC.
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页数：7
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