Structural Diversity and Tunable Luminescent Properties of Zn(II) Metal–Organic Frameworks with Terephthalate and 4,7-Di(1,2,4-triazol-1-yl)-2,1,3-benzothiadiazole Linkers

IF 3.2 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Crystal Growth & Design Pub Date : 2024-09-05 DOI:10.1021/acs.cgd.4c0079710.1021/acs.cgd.4c00797

Dmitry I. Pavlov, Alexey A. Ryadun, Vladimir P. Fedin, Xiaolin Yu* and Andrei S. Potapov*,

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引用次数: 0

Abstract

A series of new coordination polymers (CPs) [Zn(tr₂btd)(bdc)]_n (compound 1), {[Zn₂(tr₂btd)₂(bdc)₂]·MeCN}_n (compound 2), {[Zn₃(tr₂btd)₄(H₂O)₂(bdc)₃]·H₂O}_n (compound 3), and [Zn(tr₂btd)₂(bdc)]_n (compound 4) were prepared from the same starting materials under different reaction conditions. Compounds 1–3 demonstrated luminescent sensing properties toward Ga³⁺ cations with the limits of detection in a low micromolar range, 1.6, 6.1, and 1.8 μM, respectively. Careful comparison of the crystal structures of the four synthesized CPs suggests that the packing features and intermolecular interactions strongly influence the luminescent and sensing properties. The luminescence sensing response was attributed to the absorption enhancement upon the interaction of metal–organic framework with Ga³⁺ via the nitrogen atoms at positions 4 of 1,2,4-triazole rings.

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含有对苯二甲酸盐和 4,7-二(1,2,4-三唑-1-基)-2,1,3-苯并噻二唑连接体的 Zn(II) 金属有机框架的结构多样性和可调发光特性

在不同的反应条件下，由相同的起始材料制备了一系列新型配位聚合物（CPs）[Zn(tr2btd)(bdc)]n（化合物 1）、{[Zn2(tr2btd)2(bdc)2]-MeCN}n（化合物 2）、{[Zn3(tr2btd)4(H2O)2(bdc)3]-H2O}n（化合物 3）、和[Zn(tr2btd)2(bdc)]n（化合物 4）。化合物 1-3 对 Ga3+ 阳离子具有发光传感特性，其检测限分别为 1.6、6.1 和 1.8 μM，处于较低的微摩尔范围。对四种合成氯化石蜡晶体结构的仔细比较表明，其堆积特征和分子间相互作用对发光和传感特性有很大影响。发光传感响应归因于金属有机框架通过 1,2,4-三唑环第 4 位上的氮原子与 Ga3+ 相互作用时的吸收增强。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Crystal Growth & Design 化学-材料科学：综合

CiteScore

6.30

自引率

10.50%

发文量

650

审稿时长

1.9 months

期刊介绍： The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials. Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.