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首页> 外文期刊>Crystal growth & design >Controlling Interpenetration in Electroactive Co(II) Frameworks Based on the Tris(4-(pyridin-4-yl)phenyl)amine Ligand
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Controlling Interpenetration in Electroactive Co(II) Frameworks Based on the Tris(4-(pyridin-4-yl)phenyl)amine Ligand

机译：基于三（4-（吡啶-4-基）苯基）胺配体的电活性Co（II）骨架中的互穿控制

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摘要

Control over the degree of interpenetration within metal organic frameworks has important implications for the application of these materials in numerous areas ranging from gas storage to chemical separations. In this work, the degree of interpenetration was controlled in a Series of three Co2+ frameworks with the redox-active tris(4-(pyridin-4-yl)phenyl)amine (NPy3) ligand, where the steric bulk of the dicarboxylate coligand (1,4-benzenedicarboxylate (bdc), 2,5-dimethyl-1,4-benzenedicarboxylate (dmbdc), or 2,3,5,6-tetramethyl-1,4-benzenedicarboxylate (tmbdc)) was increased by the addition of methyl groups to the phenyl core. The use of less sterically hindered carboxylates (bdc, dmbdc) resulted in 3-fold interpenetrated three-dimensional (3D) networks, while use of the tmbdc ligand resulted in a 3D non-interpenetrated structure. The redox activity of the NPy3 ligand was retained within the framework as elucidated from electrochemical and spectral measurements.
机译：控制金属有机骨架内互穿程度对这些材料在从储气到化学分离等众多领域的应用具有重要意义。在这项工作中，在具有氧化还原活性的三（4-（吡啶-4-基）苯基）胺（NPy3）配体的一系列三个Co2 +骨架中控制互穿度，其中二羧酸大肠菌素（通过添加1,4-苯二甲酸（bdc），2,5-二甲基-1,4-苯二甲酸（dmbdc）或2,3,5,6-四甲基-1,4-苯二甲酸（tmbdc））苯基核心的甲基。使用较少空间位阻的羧酸盐（bdc，dmbdc）会导致3倍互穿的三维（3D）网络，而使用tmbdc配体会导致3D非互穿的结构。如通过电化学和光谱测量所阐明的，NPy3配体的氧化还原活性保留在框架内。

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