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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Pillared metal organic frameworks for the luminescence sensing of small molecules and metal ions in aqueous solutions
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Pillared metal organic frameworks for the luminescence sensing of small molecules and metal ions in aqueous solutions

机译：柱状金属有机骨架，用于水溶液中的小分子和金属离子的发光传感

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摘要

Two novel pillared MOFs (metal organic frameworks) [Zn-2(trz)(2)(tda)]center dot DMA CH3OH (1) and [Zn-2(trz)(2)(bpdc)]center dot DMA (2) were obtained under solvothermal conditions. The resulting MOFs show similar structures but with different interlayer distances based on the different carboxylate ligands. 1 and 2 display a certain degree of framework stability in both acid/base solutions and water. The luminescence intensities of the activated phases 1a and 2a are sensitive to metal ions, particularly Fe3+ and Cd2+ ions. Furthermore, the luminescent properties of 1a and 2a well dispersed in different solvents have also been investigated systematically, which demonstrate distinct solvent-dependent luminescent spectra with emission intensities that are significantly quenched by acetone, nitrobenzene and trinitrotoluene.
机译：两个新颖的柱状MOF（金属有机骨架）[Zn-2（trz）（2）（tda）]中心点DMA CH3OH（1）和[Zn-2（trz）（2）（bpdc）]中心点DMA（2 ）是在溶剂热条件下获得的。所得的MOF表现出相似的结构，但基于不同的羧酸盐配体具有不同的层间距离。图1和图2在酸/碱溶液和水中均显示出一定程度的骨架稳定性。活化相1a和2a的发光强度对金属离子特别是Fe 3+和Cd 2+离子敏感。此外，还系统地研究了1a和2a很好地分散在不同溶剂中的发光特性，这些发光特性显示了不同的溶剂依赖性发光光谱，其发射强度被丙酮，硝基苯和三硝基甲苯显着淬灭。

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