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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Two luminescent Cd(II)-MOFs based on bis(benzimidazole) and aromatic dicarboxylate ligands as chemosensor for highly selective sensing of Fe3+
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Two luminescent Cd(II)-MOFs based on bis(benzimidazole) and aromatic dicarboxylate ligands as chemosensor for highly selective sensing of Fe3+

机译:基于双(苯并咪唑)和芳族二羧酸盐配体作为化学传感器的两个发光CD(II)-MOFS,用于高精度的Fe3 +

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摘要

Two new metal-organic frameworks (MOFs), {[Cd(L)(2-NTP)]-0.25H(2)O}(n) (1) and [Cd(L)(4-CPA)](n) (2) (L = 1,6-bis(5,6-dimethylbenzimidazolyl)hexane, 2-H2NTP = 2-nitroterephthalic acid, 4-H(2)CPA = 4-carboxyphenoxyacetic acid) were synthesized and characterized by infrared spectroscopy, elemental analysis, and powder X-ray diffraction. The structural analysis reveals that 1 exhibits a 3D framework, which can be classified as a 4-connected sra topology, while 2 displays a 2D (6,3) layered structure. The thermal behaviors, luminescence properties of two compounds are investigated. The luminescence sensing experiments reveal that both MOFs display efficient detection toward Fe3+ ion through fluorescence quenching in the aqueous solution. (C) 2018 Elsevier Ltd. All rights reserved.
机译:两个新的金属 - 有机框架(MOF),{[CD(L)(2-NTP)] - 0.25H(2)O}(N)(1)和[CD(L)(4-CPA)](n )(2)(L = 1,6-双(5,6-二甲基双咪唑基)己烷,合成2-H 2NTP = 2-硝基苯二甲酸,4-H(2)CPA = 4-羧基氧乙酸),并通过红外光谱表征 ,元素分析和粉末X射线衍射。 结构分析表明,1展示了3D框架,其可以被归类为4连接的SRA拓扑,而2显示2D(6,3)层结构。 研究了两种化合物的热行为,发光性质。 发光感测实验表明,两种MOF通过水溶液中的荧光猝灭显示朝向Fe3 +离子的有效检测。 (c)2018年elestvier有限公司保留所有权利。

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