Emerging applications for living crystallization-driven self-assembly.
Emerging applications for living crystallization-driven self-assembly.
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生命结晶驱动的自组装的新兴应用。
DOI：
10.1039/d0sc06878k
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发表时间：
2021-02-12
期刊：
影响因子：
8.4
通讯作者：
Manners I
中科院分区：
文献类型：
--
作者：
MacFarlane L;Zhao C;Cai J;Qiu H;Manners I
使用结晶作为一种工具来控制溶液中的聚合物和分子两亲物的自组装正吸引越来越多的关注，用于产生非球形纳米颗粒和更复杂的分级组装体。特别是，被称为活结晶驱动的自组装（CDSA）的种子生长方法已被建立为一个环境温度和潜在的可扩展的平台，用于制备低分散性样品的核壳纤维状或血小板胶束纳米粒子。值得注意的是，这种方法允许可预测的控制大小，并访问分支和分段的结构，其中功能是空间定义的。活性CDSA在动力学控制下操作，并显示出与分子有机单体的活性链生长聚合的许多类似之处，这些聚合提供了具有受控长度的明确定义的共价聚合物，除了它覆盖了更长的长度尺度（约1000）。20 nm至10 μm）。该方法已被应用到一个快速扩展的范围内的可结晶的聚合物的两亲物，其中包括嵌段共聚物和电荷封端的均聚物，以形成组件的结晶核心和溶剂化的冠。活性CDSA接种生长方法也已经被转移到各种各样的π-堆叠和氢键键合分子种类，其在称为“活性超分子聚合”的过程中形成超分子聚合物。在这篇文章中，我们概述了活的CDSA方法的主要特点，然后调查所产生的纳米粒子在纳米医学，胶体稳定，催化，光电子，信息存储和表面功能化等领域的有前途的新兴应用。使用结晶作为一种工具来控制溶液中的聚合物和分子两亲物的自组装正吸引越来越多的关注，用于产生非球形纳米颗粒和更复杂的分级组装体。
The use of crystallization as a tool to control the self-assembly of polymeric and molecular amphiphiles in solution is attracting growing attention for the creation of non-spherical nanoparticles and more complex, hierarchical assemblies. In particular, the seeded growth method termed living crystallization-driven self-assembly (CDSA) has been established as an ambient temperature and potentially scalable platform for the preparation of low dispersity samples of core–shell fiber-like or platelet micellar nanoparticles. Significantly, this method permits predictable control of size, and access to branched and segmented structures where functionality is spatially-defined. Living CDSA operates under kinetic control and shows many analogies with living chain-growth polymerizations of molecular organic monomers that afford well-defined covalent polymers of controlled length except that it covers a much longer length scale (ca. 20 nm to 10 μm). The method has been applied to a rapidly expanding range of crystallizable polymeric amphiphiles, which includes block copolymers and charge-capped homopolymers, to form assemblies with crystalline cores and solvated coronas. Living CDSA seeded growth methods have also been transposed to a wide variety of π-stacking and hydrogen-bonding molecular species that form supramolecular polymers in processes termed “living supramolecular polymerizations”. In this article we outline the main features of the living CDSA method and then survey the promising emerging applications for the resulting nanoparticles in fields such as nanomedicine, colloid stabilization, catalysis, optoelectronics, information storage, and surface functionalization. The use of crystallization as a tool to control the self-assembly of polymeric and molecular amphiphiles in solution is attracting growing attention for the creation of non-spherical nanoparticles and more complex, hierarchical assemblies.
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