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Enhanced Structural Organization in Covalent Organic Frameworks Through Fluorination

机译:通过氟化增强共价有机骨架中的结构组织

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摘要

Here, we report a structure-function study of imine covalent organic frameworks (COFs) comparing a series of novel fluorine-containing monomers to their non-fluorinated analogues. We found that the fluorinecontaining monomers produced 2D-COFs with not only greatly improved surface areas (over 2000 m~2g~(-1) compared to 760 m~2g~(-1) for the non-fluorinated analogue), but also with improved crystallinity and larger, more defined pore diameters. We then studied the formation of these COFs under varying reaction times and temperatures to obtain a greater insight into their mechanism of formation.
机译:在这里,我们报告了将一系列新的含氟单体与其非氟化类似物进行比较的亚胺共价有机框架(COF)的结构功能研究。 我们发现氟化含氟单体产生2D-COF,不仅具有大大改善的表面积(超过2000m〜2g〜(-1),而非氟化类似物的760 m〜2g〜(-1)),还具有 改善结晶度和更大,更明确的孔径。 然后,我们在不同的反应时间和温度下研究了这些COF的形成,以获得更大的洞察其形成机制。

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