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首页> 外文期刊>Macromolecular Research >Morphology controlled synthesis of octahedral covalent imine frameworks through acid modulated aldehyde-amine polycondensation
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Morphology controlled synthesis of octahedral covalent imine frameworks through acid modulated aldehyde-amine polycondensation

机译：通过酸调节醛-胺缩聚进行形态控制的八面体共价亚胺骨架的合成

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摘要

The past decades have witnessed significant advance in the synthesis of covalent organic frameworks (COFs), however, their formation and morphology revolution mechanism have been rarely reported. Here, through an acid modulated dynamic covalent chemistry approach, pure and uniform micro-octahedral covalent imine frameworks were obtained for the first time. Formation mechanism based on the stacking of initially formed two-dimensional nanoplates followed by surface smoothing enabled by the dynamic nature of imine bonding was proposed. Furthermore, we revealed for the first time that nonstoichiometric method can be applied to the synthesis of covalent organic frameworks. Thus we provide novel strategy for the morphology control COFs which will surely facilitate their application in energy-related area.
机译：在过去的几十年中，共价有机框架（COF）的合成取得了显着进展，但是，关于它们的形成和形态革命机制的报道很少。在这里，通过酸调节动态共价化学方法，首次获得了纯净且均匀的微八面体共价亚胺骨架。提出了基于初始形成的二维纳米板堆叠然后通过亚胺键合的动态性质实现表面平滑化的形成机理。此外，我们首次揭示了非化学计量方法可用于共价有机骨架的合成。因此，我们为形态控制COF提供了新颖的策略，这肯定会促进它们在能源相关领域的应用。

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