Outstanding Photoluminescence in Pr3+-Doped Perovskite Ceramics

Jiameng Zhang; Yanan Hao; Meihua Bi; Guoyan Dong; Xiaoming Liu; Ke Bi

doi:10.3390/mi9090419

Outstanding Photoluminescence in Pr³⁺-Doped Perovskite Ceramics

Micromachines (Basel). 2018 Aug 21;9(9):419. doi: 10.3390/mi9090419.

Authors

Jiameng Zhang¹, Yanan Hao², Meihua Bi³, Guoyan Dong⁴, Xiaoming Liu^{5

6}, Ke Bi⁷

Affiliations

¹ State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China. zhangjiameng@bupt.edu.cn.
² State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China. hyn@bupt.edu.cn.
³ State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China. bimeihua@bupt.edu.cn.
⁴ College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China. gydong@ucas.ac.cn.
⁵ Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110819, China. liuxm@smm.neu.edu.cn.
⁶ Department of New Energy Science & Engineering, School of Metallurgy, Northeastern University, Shenyang 110819, China. liuxm@smm.neu.edu.cn.
⁷ State Key Laboratory of Information Photonics and Optical Communications, School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China. bike@bupt.edu.cn.

Abstract

Ba (Zr_0.2Ti_0.8) O₃-50% (Ba_0.7Ca_0.3) TiO₃ (BZT-0.5BCT) ceramics with different doping contents of Pr³⁺ were prepared by the conventional solid-state reaction. The phase structure and crystallinity of the fabricated ceramics were investigated by X-ray diffraction, Raman spectroscopy, and scanning electron microscopy. Photoluminescence (PL) emission spectra were measured to analyze the PL characteristics. The strong intensities of a green band at 489 nm and a red band at 610 nm were observed. The maximum emission intensity of the PL spectrum was achieved in the BZT-0.5BCT ceramic with 0.2% mol of Pr³⁺ ions. Furthermore, the PL spectra of BZT-0.5BCT ceramics were found to be sensitive to polarization of the ferroelectric ceramics. Compared with the unpoled ceramics, the green emission increased about 42% and a new emission peak at 430 nm appeared for the poled ceramics. With excellent intrinsic ferroelectricity and an enhanced PL property, such material has potential to realize multifunctionality in a wide application range.

Keywords: Pr3+-doped; perovskite ceramics; photoluminescence; solid-state reactions.

Abstract

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