High-Stability Hybrid Antimony Halides for Thermometry in Power System Component or Circuit Monitoring

IF 18.5 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Advanced Functional Materials Pub Date : 2024-10-07 DOI:10.1002/adfm.202412529

Kunjie Liu, An Hou, Jiawei Lin, Mingzhen Quan, Yan Xiong, Zhongnan Guo, Jing Zhao, Quanlin Liu

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Abstract

Organic–inorganic metal halides (OIMHs) possess low preparation costs and high photoluminescence quantum yield. Within a specific range, the temperature-dependent nature of OIMHs' luminescent lifetime facilitates temperature sensing and thermal imaging functionalities. In this study, a non-toxic (C₁₀H₂₂N)₆SbBr₉·H₂O ([C₁₀H₂₂N]⁺ is 4-(tert-buty)cyclohexanamine cation) with a 0D structure crystallized in the Pbcn space group is obtained. Under blue light excitation at room temperature, it demonstrates intense broad emission centered at 635 nm. Further investigation into the correlation between temperature and photoluminescence lifetime has unveiled exceptional temperature sensing precision. The relative sensitivities within the range of power system temperature alert 30–70 °C lie between 2.5% and 4.5% K⁻¹. This matches the typical high-temperature warning threshold for power systems. Moreover, after immersion in water and alcohol, the compound maintains remarkable stability, with multiple heating/cooling cycles confirming its reliability under test temperatures. Additionally, a composite thin-film device composed of (C₁₀H₂₂N)₆SbBr₉·H₂O, showcasing its potential as a stable and durable thermal imaging temperature sensing device is fabricated.

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用于电力系统组件或电路监控测温的高稳定性混合卤化锑

有机无机金属卤化物（OIMHs）制备成本低，光量子产率高。在特定范围内，有机无机金属卤化物的发光寿命随温度变化，这有助于实现温度传感和热成像功能。本研究获得了一种无毒的 (C10H22N)6SbBr9-H2O（[C10H22N]+ 是 4-（叔丁基）环己胺阳离子），其 0D 结构结晶于 Pbcn 空间群。在室温下的蓝光激发下，它显示出以 635 纳米为中心的强烈宽发射。对温度和光致发光寿命之间相关性的进一步研究揭示了其卓越的温度传感精度。在 30-70 °C 的电力系统温度警戒范围内，其相对灵敏度介于 2.5% 和 4.5% K-1 之间。这符合电力系统典型的高温预警阈值。此外，在水和酒精中浸泡后，该化合物仍能保持出色的稳定性，多次加热/冷却循环证实了其在测试温度下的可靠性。此外，还制作了一个由 (C10H22N)6SbBr9-H2O 组成的复合薄膜装置，展示了其作为稳定耐用的热成像温度传感装置的潜力。

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来源期刊

Advanced Functional Materials 工程技术-材料科学：综合

CiteScore

29.50

自引率

4.20%

发文量

2086

审稿时长

2.1 months

期刊介绍： Firmly established as a top-tier materials science journal, Advanced Functional Materials reports breakthrough research in all aspects of materials science, including nanotechnology, chemistry, physics, and biology every week. Advanced Functional Materials is known for its rapid and fair peer review, quality content, and high impact, making it the first choice of the international materials science community.