Preparation and characterizations of Pr3+:CaF2 transparent ceramics with different doping concentrations

doi:10.1016/j.ceramint.2018.11.012

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	Preparation and characterizations of Pr3+:CaF2 transparent ceramics with different doping concentrations
	Yi, Guoqiang; Li, Weiwei; Song, Jinghong; Mei, Bingchu; Zhou, Zhiwei; Su, Liangbi
	2019-02-15
Source Publication	CERAMICS INTERNATIONAL
ISSN	0272-8842
Volume	45 Issue:3 Pages:3541
Subtype	Article
Abstract	0.2-5.0 at% Pr3+-doped CaF2 transparent ceramics were fabricated by hot-pressed processing for the first time. The phase compositions, microstructure and optical characteristics of the presented transparent ceramics were examined systematically. The average in-line transmittance of Pr:CaF2 transparent ceramics (2.0 mm thick) with high Pr3+ doping concentrations (1.0-5.0 at%) exceeds 86% at the wavelength of 1200 nm. The absorption spectrum manifests that the prepared Pr:CaF2 transparent ceramics contain some absorption peaks overlapped with emission bands of the commercial InGaN laser diodes. Further, a detailed investigation on the visible emission properties as a function of Pr3+ concentrations in CaF2 transparent ceramics was reported. The emission spectra presented two main characteristic peaks at 496 nm (bluish green) and 656 nm (red) corresponded to the transitions of P-3(0) -> H-3(4) and P-3(0) -> F-3(2) for Pr3+ activator ions. With the increase of the Pr3+ doping concentrations, the emission intensity and decay lifetimes decreased generally attributed to the concentration quenching effect. Details on energy transfer mechanism of Pr3+ in CaF2 transparent ceramics were demonstrated and discussed.
Keyword	Transparent ceramic Praseodymium Calcium fluoride Luminescence properties
DOI	10.1016/j.ceramint.2018.11.012
Language	英语
WOS Research Area	Materials Science
Publisher	ELSEVIER SCI LTD
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/27330
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Yi, Guoqiang,Li, Weiwei,Song, Jinghong,et al. Preparation and characterizations of Pr3+:CaF2 transparent ceramics with different doping concentrations[J]. CERAMICS INTERNATIONAL,2019,45(3):3541.
APA	Yi, Guoqiang,Li, Weiwei,Song, Jinghong,Mei, Bingchu,Zhou, Zhiwei,&Su, Liangbi.(2019).Preparation and characterizations of Pr3+:CaF2 transparent ceramics with different doping concentrations.CERAMICS INTERNATIONAL,45(3),3541.
MLA	Yi, Guoqiang,et al."Preparation and characterizations of Pr3+:CaF2 transparent ceramics with different doping concentrations".CERAMICS INTERNATIONAL 45.3(2019):3541.

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