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

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 emiss...

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Bibliographic Details
Published in:Ceramics international 2021-07, Vol.47 (13), p.18866-18874
Main Authors: Lou, Yang, Chen, Yang, Gu, Zhimu, Qiu, Qiang, Shi, Chanjuan, He, Le, Xing, Yingbin, Peng, Jinggang, Li, Haiqing, Chu, Yingbo, Li, Jinyan, Dai, Nengli
Format: Article
Language:English
Subjects:
BaTiO3 and titanates
Optical properties
Sol-gel processes
Spectroscopy
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Summary: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 Zr4+. 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.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2021.03.226