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高灵敏度发光温度传感器：MFX:1%Sm（M = Sr、Ba，X = Cl、Br）

High-sensitivity luminescent temperature sensors: MFX:1%Sm (M = Sr, Ba, X = Cl, Br).

作者信息

Cui Lizhi, Dong Zhijie, Yu Dechao, Wang Yuhua, Meijerink Andries

机构信息

National and Local Joint Engineering Laboratory for Optical Conversion Materials and Technology of National Development and Reform Commission, School of Materials and Energy, Lanzhou University, Lanzhou, 730000, China.

Engineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical Systems, University of Shanghai for Science and Technology, Shanghai 200093, China.

出版信息

Sci Adv. 2024 Aug 16;10(33):eado7737. doi: 10.1126/sciadv.ado7737. Epub 2024 Aug 14.

DOI:10.1126/sciadv.ado7737
PMID:39141722
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11323894/
Abstract

The use of lanthanide luminescence has advanced the field of remote temperature sensing. Luminescence intensity ratio methods relying on emission from two thermally coupled energy levels are popular but suffer from a limited temperature range. Here, we present a versatile luminescent thermometer: Ba(Sr)FBr(Cl):Sm. The Sm ion benefits from multiple thermally coupled excited states to extend the temperature range and has strong parity-allowed 4f→4f5d absorption to increase brightness. We conduct a comparative analysis of the temperature sensing performance of Sm in BaFBr, BaFCl, SrFBr, and SrFCl and address the role of concentration, host, and Boltzmann equilibration. Different thermal coupling schemes, D-D and 4f5d-D, and temperature-dependent lifetimes enable accurate sensing between 350 and 800 kelvin. Differences in 4f5d-D energy gap allows optimization for a temperature range of interest. This type of Sm-based thermometer holds great potential for temperature monitoring in the wide and relevant range up to 500°C.

摘要

镧系元素发光的应用推动了远程温度传感领域的发展。依赖于两个热耦合能级发射的发光强度比方法很受欢迎，但温度范围有限。在此，我们展示了一种通用的发光温度计：Ba(Sr)FBr(Cl):Sm。Sm离子受益于多个热耦合激发态来扩展温度范围，并且具有强宇称允许的4f→4f5d吸收以增加亮度。我们对Sm在BaFBr、BaFCl、SrFBr和SrFCl中的温度传感性能进行了对比分析，并探讨了浓度、基质和玻尔兹曼平衡的作用。不同的热耦合方案，D-D和4f5d-D，以及与温度相关的寿命使得在350至800开尔文之间能够进行精确传感。4f5d-D能隙的差异允许针对感兴趣的温度范围进行优化。这种基于Sm的温度计在高达500°C的广泛且相关的温度范围内进行温度监测具有巨大潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/d2d0bff82c9a/sciadv.ado7737-f7.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/b4bd189d3ad1/sciadv.ado7737-f3.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/574aa0bd7e07/sciadv.ado7737-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/0c01744321ec/sciadv.ado7737-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/d2d0bff82c9a/sciadv.ado7737-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/182d01350578/sciadv.ado7737-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/dc495795d7e5/sciadv.ado7737-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/b4bd189d3ad1/sciadv.ado7737-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/7f86f6fdd6dc/sciadv.ado7737-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/574aa0bd7e07/sciadv.ado7737-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/0c01744321ec/sciadv.ado7737-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5e0/11323894/d2d0bff82c9a/sciadv.ado7737-f7.jpg

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