Judd-Ofelt modelling of the dual-excited single band ratiometric luminescence thermometry

被引：28
作者：
Ciric, Aleksandar [1 ]
Zekovic, Ivana [1 ]
Medic, Mina [1 ]
Antic, Zeljka [1 ]
Dramicanin, Miroslav D. [1 ,2 ]
机构：
[1] Univ Belgrade, Vinca Inst Nucl Sci, POB 522, Belgrade 11001, Serbia
[2] Chongqing Univ Posts & Telecommun, Coll Sci, Chongqing 400065, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2020年 / 225卷
关键词：
Judd-Ofelt; Luminescent thermometry; Double-excitation; Ground-state absorption; Lu2O3; STATE ABSORPTION; EU3+; SYMMETRY; EUROPIUM; LU2O3; GLASS; SITE;
D O I：
10.1016/j.jlumin.2020.117369
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Judd-Ofelt model, already verified for the luminescence intensity ratio (also called fluorescence intensity ratio, FIR) thermometry from the emission spectra, is modified and tested for the dual-excited single band luminescence thermometry. The adapted model has been tested on Lu2O3:Eu3+, with a 99.9% match of the temperature invariant parameter to the experimental value. The absolute sensitivity obtained experimentally and predicted by the model are almost indistinguishable. The model is proven to be adequate for inaugural phosphor quality evaluation, as it can reveal the approximate figures of merit of luminescence thermometry solely from the single emission spectrum.
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页数：5
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