苯-1,2,4,5-四羧酸铕和铽：合成特性、晶体结构和高达400°C的发光测温

IF 4.7 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2024-12-04 DOI:10.1021/acs.inorgchem.4c03253

Liubov O. Tcelykh, Alexander S. Goloveshkin, Liubov S. Rodina, Boris A. Kolozhvari, Egor V. Latipov, Sergey E. Kushnir, Valentina V. Utochnikova

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引用次数: 0

摘要

在这项研究中，我们首次成功地获得了一种发光有机温度计，该温度计在高达400°C的温度下具有高再现性、稳定性和功能性。我们的方法包括选择新型高发射和热稳定的mof KEu(btec)（H2O）和脱水的KTb(btec), btec =苯-1,2,4,5-四羧酸盐，以及高热稳定的共聚物P84 = 80%甲基苯基二胺+ 20%亚甲基作为基体；由于其在不同环境条件下的通用性，因此选择发光寿命作为温度相关参数。研究了各种镧系苯-1,2,4,5-四羧酸盐的合成特性，并利用粉末x射线衍射数据用Rietveld精细化法测定了KEu(btec)（H2O）和KTb（btec）的晶体结构。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Europium and Terbium Benzene-1,2,4,5-Tetracarboxylates: Synthesis Peculiarities, Crystal Structures, and Luminescent Thermometry up to 400 °C

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Europium and Terbium Benzene-1,2,4,5-Tetracarboxylates: Synthesis Peculiarities, Crystal Structures, and Luminescent Thermometry up to 400 °C

In this study, we successfully obtained for the first time a luminescent organic-based thermometer that exhibits high reproducibility, stability, and functionality up to 400 °C. Our approach involved the selection of novel highly emissive and thermally stable MOFs KEu(btec)(H₂O) and dehydrated KTb(btec), btec = benzene-1,2,4,5-tetracarboxylate, along with the highly thermally stable copolyimide P84 = 80% methylphenylene-diamine + 20% methylene as the matrix; luminescence lifetime was selected as a temperature-dependent parameter due to its versatility in diverse environmental conditions. Synthesis peculiarities were studied for various lanthanide benzene-1,2,4,5-tetracarboxylates, and the crystal structures of KEu(btec)(H₂O) and KTb(btec) were determined by Rietveld refinement from powder X-ray diffraction data.

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来源期刊

Inorganic Chemistry 化学-无机化学与核化学

CiteScore

7.60

自引率

13.00%

发文量

1960

审稿时长

1.9 months

期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.