Supramolecular Chirality Transfer toward Chiral Aggregation: Asymmetric Hierarchical Self‐Assembly,Advanced Science

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Supramolecular Chirality Transfer toward Chiral Aggregation: Asymmetric Hierarchical Self‐Assembly
Advanced Science ( IF 14.3 ) Pub Date : 2021-03-01 , DOI: 10.1002/advs.202002132
Shuai Huang _{1,

2} , Haifeng Yu ₁ , Quan Li ₃

Affiliation

Self‐assembly, as a typical bottom‐up strategy for the fabrication of functional materials, has been applied to fabricate chiral materials with subtle chiral nanostructures. The chiral nanostructures exhibit great potential in asymmetric catalysis, chiral sensing, chiral electronics, photonics, and even the realization of several biological functions. According to existing studies, the supramolecular chirality transfer process combined with hierarchical self‐assembly plays a vital role in the fabrication of multiscale chiral structures. This progress report focuses on the hierarchical self‐assembly of chiral or achiral molecules that aggregate with asymmetric spatial structures such as twisted bands, helices, and superhelices in different environments. Herein, recent studies on the chirality transfer induced self‐assembly based on a variety of supramolecular interactions are summarized. In addition, the influence of different environments and the states of systems including solutions, condensed states, gel systems, interfaces on the asymmetric hierarchical self‐assembly, and the expression of chirality are explored. Moreover, both the driving forces that facilitate chiral bias and the supramolecular interactions that play an important role in the expression, transfer, and amplification of the chiral sense are correspondingly discussed.

中文翻译：

超分子手性向手性聚集的转移：不对称分层自组装

自组装作为功能材料制造的典型自下而上策略，已应用于制造具有精细手性纳米结构的手性材料。手性纳米结构在不对称催化、手性传感、手性电子学、光子学甚至实现多种生物功能方面表现出巨大的潜力。根据现有研究，超分子手性传递过程与分层自组装相结合在多尺度手性结构的制造中发挥着至关重要的作用。本进展报告重点关注手性或非手性分子的分层自组装，这些分子在不同环境中以不对称空间结构（例如扭曲带、螺旋和超螺旋）聚集。本文总结了基于各种超分子相互作用的手性转移诱导自组装的最新研究。此外，还探讨了不同环境和系统状态（包括溶液、凝聚态、凝胶系统、界面）对不对称分级自组装和手性表达的影响。此外，还相应地讨论了促进手性偏倚的驱动力以及在手性意义的表达、转移和放大中发挥重要作用的超分子相互作用。

更新日期：2021-04-22

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