Enhancement of photoluminescence and anomalous thermal quenching behavior of Er/Yb/Zr co-doped BaTiO3 ceramic

被引：7
|
作者：
Lou, Yang [1 ]
Chen, Yang [1 ]
Gu, Zhimu [1 ]
Qiu, Qiang [1 ]
Shi, Chanjuan [1 ]
He, Le [1 ]
Xing, Yingbin [1 ]
Peng, Jinggang [1 ]
Li, Haiqing [1 ]
Chu, Yingbo [1 ]
Li, Jinyan [1 ]
Dai, Nengli [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, 1037 Luoyu Rd, Wuhan 430070, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2021年 / 47卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Sol-gel processes; BaTiO3 and titanates; Spectroscopy; Optical properties; BARIUM-TITANATE; THIN-FILMS; LUMINESCENCE; EU3+; ZR;
D O I：
10.1016/j.ceramint.2021.03.226
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report highly efficient and stable photoluminescence (PL) properties of Er/Yb/Zr co-doped BaTiO3 ceramic. With the sensitizing effect of Yb3+, the emission intensity of Er3+ in the green region was increased by 8.47 times under the optimized Zr4+ concentration. Strong thermal enhancement of emission at different wavebands was attained with different concentration of Zr4+. In addition, the PL thermal quenching behavior was suppressed by energy transfer and ligand distortion induced by Zr-4 . The PL excitation spectra and decay curves also verified the efficient energy transfer between luminescent center and material. This work opens up a new way to improve the PL properties of Er3+ doped materials and provides a practical solution to inhibit the temperature quenching behavior.
引用
收藏
页码：18866 / 18874
页数：9
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