新型四羧酸铕的合成、晶体结构和荧光特性

IF 4.4 3区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Communications Pub Date : 2024-11-19 DOI:10.1016/j.inoche.2024.113582

Chao-Yue Li , Hao Yu , Xin-Yu He, Ze-Fei Yu, Xiuling Xu, Haihong Huang, Si-Fu Tang

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引用次数: 0

摘要

镧系元素有机框架（LnOFs）是一种前景广阔的光学材料。设计和合成具有新颖晶体结构和荧光特性的新型 LnOFs 非常有必要。在这项工作中，成功地从四羧酸配体 H4TTCA = [1,1′:2′,1″-三联苯]-4,4′,4″,5-四羧酸合成了一种新的铕（III）羧酸盐，即 [Eu(HTTCA)(H2O)2]-2H2O（TTCA-Eu）。研究发现，TTCA-Eu 具有三维晶体结构，沿 c 轴方向具有约 7.46 × 21.26 Å2 的菱形通道。TTCA-Eu 在红色区域显示出典型的 Eu（III）发射，并对二硝基呋喃有荧光淬灭反应。它可用作 0-30 μM 范围内的第诺特呋喃荧光传感器，并具有很高的选择性，这标志着它作为第诺特呋喃传感器的潜在应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Synthesis, crystal structure and fluorescent properties of a novel europium tetracarboxylate

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Synthesis, crystal structure and fluorescent properties of a novel europium tetracarboxylate

Lanthanide organic frameworks (LnOFs) are promising optical materials. The design and synthesis of new LnOFs with novel crystal structure and fluorescent properties are highly desirable. In this work, one new Europium(III) carboxylate, namely, [Eu(HTTCA)(H₂O)₂]·2H₂O (TTCA-Eu), has been successfully synthesized from a tetracarboxylate ligand, H₄TTCA = [1,1′:2′,1″-terphenyl]-4,4′,4″,5-tetracarboxylic acid. It is revealed that TTCA-Eu possesses a three-dimensional crystal structure with rhombus channel about 7.46 × 21.26 Å² running along c-direction. TTCA-Eu displays typical Eu(III) emissions in the red region and shows a fluorescence quenching response toward dinotefuran. It can be used as fluorescence sensor of dinotefuran in the range of 0–30 μM with high selectivity, signifying its potential application as dinotefuran sensor.

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来源期刊

Inorganic Chemistry Communications 化学-无机化学与核化学

CiteScore

5.50

自引率

7.90%

发文量

1013

审稿时长

53 days

期刊介绍： Launched in January 1998, Inorganic Chemistry Communications is an international journal dedicated to the rapid publication of short communications in the major areas of inorganic, organometallic and supramolecular chemistry. Topics include synthetic and reaction chemistry, kinetics and mechanisms of reactions, bioinorganic chemistry, photochemistry and the use of metal and organometallic compounds in stoichiometric and catalytic synthesis or organic compounds.