The enhanced up-conversion green by Yb-Mn dimer in NaBiF4:Yb3+/Er3+/Mn2+ for optical fiber temperature sensor

被引：33
作者：
Guo, Yue [1 ]
Xie, Jinhui [1 ,2 ]
Yu, Mingxun [3 ]
Huang, Wentao [1 ,2 ]
Yang, Huijie [1 ,2 ]
Li, Xibing [1 ,2 ]
Wang, Lixi [1 ,2 ]
Zhang, Qitu [1 ,2 ]
机构：
[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 211816, Peoples R China
[2] Jiangsu Collaborat Innovat Ctr Adv Inorgan Funct, Nanjing 211816, Peoples R China
[3] Inst 53 Chinas Ordnance Ind, Jinan 250031, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 888卷
关键词：
Up-conversion; NaBiF4; Green emission; Optical temperature sensing; LUMINESCENCE PROPERTIES; EMITTING NANOPARTICLES; FACILE SYNTHESIS; ENERGY-TRANSFER; NANOCRYSTALS; THERMOMETRY; EMISSIONS; RANGE; NM;
D O I：
10.1016/j.jallcom.2021.161497
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Through doping Mn2+ into the NaBiF4:Yb3+/Er3+, it can be achieved that NaBiF4 :Yb3+/Er3+/Mn2+ possess superior temperature sensing performance and application in temperature optical fiber sensing on the premise of enhancing the green emission upon the 980 nm excitation. The effect of Mn2+ content on the phase and luminescence of NaBiF4:Yb3+/Er3+/Mn2+ is investigated by X-ray diffraction (XRD) and fluorescence spectrophotometer characterization. The up-conversion (UC) green emission intensity is enhanced by 3 times by Mn2+ doping. The Yb3+-Mn2+ dimer is introduced to clarify the mechanism of UC red and green emission enhancement, where involved in is three-photon process. Moreover, the optical thermometric behaviors of the synthetic compounds are analyzed according to the fact that Er3+ processes a couple of green emission levels H-2(11/2) and S-4(3/2), and the maximum Sa (absolute sensor sensitivity) reaches 0.00559 K-1. The preliminary design and application of NaBiF4:Yb3+/Er3+/Mn2+ as a probe in the temperature optical fiber sensor has been carried out, suggesting that NaBiF4: Yb3+/Er3+/Mn2+ is expected to be a kind of promising material for non-contact optical thermometer. (C) 2021 Elsevier B.V. All rights reserved.
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页数：9
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