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铝硅酸氟氧化物玻璃中Eu到Eu的光谱特性及自还原

Spectral properties and self-reduction of Eu to Eu in aluminosilicate oxyfluoride glass.

作者信息

Liu Lei, Shao Xianying, Zhang Zhenyuan, Liu Jiayu, Hu Yuebo, Zhu Chaofeng

机构信息

School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences) Jinan 250353 China

出版信息

RSC Adv. 2023 Aug 7;13(34):23708-23715. doi: 10.1039/d3ra03689h. eCollection 2023 Aug 4.

DOI:10.1039/d3ra03689h
PMID:37555089
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10405638/
Abstract

Eu-doped aluminosilicate oxyfluoride glass prepared a melt-quenching method was investigated using X-ray diffraction, absorption spectroscopy, X-ray fluorescence spectrometry, photoluminescence spectroscopy and fluorescence decay curves. We found that the reduction of Eu to Eu ions occurred in the glass prepared in air. The emission spectra showed that the intensity of 4f5d → 4f transition of Eu ions varied with increasing incident beam wavelength. Meanwhile, the fluorescence lifetimes of Eu: D → F monitored at 617 nm in the glass change with the variation of excitation wavelength. The energy transfer between Eu and Eu and the emission mechanisms of Eu ions in the glass were also discussed.

摘要

采用熔体淬火法制备的掺铕铝硅酸氧氟玻璃，通过X射线衍射、吸收光谱、X射线荧光光谱、光致发光光谱和荧光衰减曲线进行了研究。我们发现，在空气中制备的玻璃中发生了Eu还原为Eu离子的现象。发射光谱表明，Eu离子的4f5d→4f跃迁强度随入射光束波长的增加而变化。同时，玻璃中在617nm处监测的Eu:D→F荧光寿命随激发波长的变化而改变。还讨论了玻璃中Eu与Eu之间的能量转移以及Eu离子的发射机制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/344d6b029dfb/d3ra03689h-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/848d77fa8f30/d3ra03689h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/8888654b418f/d3ra03689h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/6b4adaff6217/d3ra03689h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/9f4408df2b85/d3ra03689h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/ba3e99c52141/d3ra03689h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/1e68092fccd0/d3ra03689h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/344d6b029dfb/d3ra03689h-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/848d77fa8f30/d3ra03689h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/8888654b418f/d3ra03689h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/6b4adaff6217/d3ra03689h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/9f4408df2b85/d3ra03689h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/ba3e99c52141/d3ra03689h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/1e68092fccd0/d3ra03689h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/21c6/10405638/344d6b029dfb/d3ra03689h-f7.jpg

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本文引用的文献

1
Alkali Lithosilicates: Renaissance of a Reputable Substance Class with Surprising Luminescence Properties.碱金属锂硅酸盐：一类具有惊人发光特性的著名物质的复兴。
Angew Chem Int Ed Engl. 2018 Oct 8;57(41):13676-13680. doi: 10.1002/anie.201808332. Epub 2018 Sep 21.
2
Inherently Eu /Eu Codoped Sc O Nanoparticles as High-Performance Nanothermometers.内禀 Eu/Eu 共掺杂 Sc 2 O 3 纳米粒子作为高性能的纳米温度计。
Adv Mater. 2018 Apr;30(14):e1705256. doi: 10.1002/adma.201705256. Epub 2018 Feb 12.
3
Dy(3+)-doped zinc fluorophosphate glasses for white luminescence applications.
掺 Dy(3+)的锌氟磷酸盐玻璃用于白光发光应用。
Spectrochim Acta A Mol Biomol Spectrosc. 2013 Sep;113:145-53. doi: 10.1016/j.saa.2013.04.036. Epub 2013 Apr 15.