基于铑阳离子配合物的二价光致发光温度计

IF 2.5 3区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2025-02-01 DOI:10.1016/j.photonics.2024.101341

Pavel Alekseevskiy , Roman Pototskiy , Anastasia Efimova , Alena Kulakova , Valentin A. Milichko

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引用次数: 0

摘要

我们报道了基于铑阳离子配合物（Rh-CC）的光致发光（Pl）温度计。我们发现350 nm和523 nm的光泵浦使Pl集中在720-735 nm。当Rh-CC冷却至243 K时，其Pl强度呈线性增长，相对热敏度（Sr）为4.5% %。在这里，激光加热Rh-CC导致了Pl光谱的非常规非线性演化，归因于非晶态和碳Pl， 0.5 % K−1相对热敏度高达484 K。因此，结果证明了在240-500 K温度范围内工作的新型Pl温度计具有相当灵敏度的矛盾行为。

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Ambivalent photoluminescence thermometer based on rhodium cationic complex

We report on the photoluminescent (Pl) thermometer based on a rhodium cationic complex (Rh-CC). We discovered that optical pumps by 350 nm and 523 nm cause the Pl centered at 720–735 nm. Cooling of the Rh-CC up to 243 K resulted in conventional linear growth of Pl intensity, providing 4.5 % K⁻¹ relative thermal sensitivity (S_r). Herein, heating of the Rh-CC by laser light leads to unconventional non-linear evolution of the Pl spectrum, attributing to the amorphous state and carbon Pl with 0.5 % K⁻¹ relative thermal sensitivity up to 484 K. The results, thereby, demonstrate an ambivalent behavior of new Pl thermometer operating at 240–500 K temperature range with comparable sensitivity.

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来源期刊

Photonics and Nanostructures-Fundamentals and Applications 工程技术-材料科学：综合

CiteScore

5.00

自引率

3.70%

发文量

审稿时长

62 days

期刊介绍： This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.