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首页> 外文期刊>ChemPlusChem >Creation of Discrete 1D Microstructures: Directional Dissociation from the Ends of a Metastable Supramolecular Polymer
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Creation of Discrete 1D Microstructures: Directional Dissociation from the Ends of a Metastable Supramolecular Polymer

机译:创建离散的1D微观结构:从亚稳定的超分子聚合物的末端定向解离

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摘要

Abstract One major concern in supramolecular chemistry is how to place different intermolecular interactions in a desired position, especially at the terminal ends, of 1D structures. A solution to the problem is co‐assembly in microflow. We demonstrate that kinetic co‐assembly of two kinds of amphiphilic oligo( p ‐phenylenevinylene) molecules with different amide groups result in metastable nanofibers where stronger hydrogen‐bonding interactions are regularly inserted as stabilizing wedges. It is found that decomposition of the nanofibers from the ends is suppressed at the wedges, leading to the creation of discrete 1D structures with capped ends (length dispersity L w /L n ≤1.2), which act as a micrometer‐sized building blocks that can be used for further hierarchical assembly.
机译:摘要超分子化学中的一个主要问题是如何在1D结构的期望位置处放置不同的分子间相互作用,尤其是在末端的末端。 问题的解决方案是微射线中的共同组装。 我们证明,两种两亲子寡核苷酸(苯基乙烯乙烯)分子的动力学加入具有不同酰胺基团的分子,导致亚料纳米纤维,其中较强的氢键相互作用通常作为稳定楔形插入。 发现从楔形物中抑制了纳米纤维的分解,从而导致采用盖板(长度分散性L W / LN≤1.2)的离散1D结构的产生,这充当千分尺寸的构建块 可用于进一步的分层组件。

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