Stimuli-Triggered Dynamic Transformations in Supramolecular Polymers

IF 7.2 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Chemistry of Materials Pub Date : 2024-06-24 DOI:10.1021/acs.chemmater.4c01265

Yuncong Xue, Yu Jin, Yifei Zhang, Fengmin Han and Feng Wang*,

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Abstract

Supramolecular polymers represent ordered nanostructures that are held together by highly directional noncovalent bonds and can undergo reversible self-assembly. Their noncovalent nature imparts stimuli-responsive character to supramolecular polymers, making them appealing for the development of intelligent soft materials. As compared to the inherent responsiveness originating from the noncovalent connection units, incorporating additional stimuli-responsive units into the monomeric structure allows customization of stimuli-responsiveness for supramolecular polymers. Stimuli-triggered changes at the molecular level can amplify into macroscopic effects at the supramolecular level due to the ordered arrangement of monomers. This review summarizes recent progress on stimuli-triggered transformations in supramolecular polymers, categorizing them into five types: (i) depolymerization into monomers, (ii) transformations within different types of supramolecular polymers, (iii) post-stabilization of supramolecular polymers, (iv) activation of dormant monomers for in situ polymerization, and (v) transient polymerization with programmable lifetimes. Additionally, recent progress in unconventional responsiveness due to coupled equilibria in complex supramolecular systems is outlined. Emphasis is on monomeric structure design principles and accumulated property changes in response to stimuli, aimed at stimulating further research in the stimuli-responsive supramolecular polymer field.

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超分子聚合物中由刺激引发的动态转变

超分子聚合物是有序纳米结构的代表，它们通过高度定向的非共价键结合在一起，可以进行可逆的自组装。其非共价性质赋予了超分子聚合物刺激响应特性，使其成为开发智能软材料的理想材料。与源自非共价连接单元的固有响应性相比，在单体结构中加入额外的刺激响应单元，可以定制超分子聚合物的刺激响应性。由于单体的有序排列，分子水平的刺激触发变化可放大为超分子水平的宏观效应。本综述总结了超分子聚合物中刺激触发转化的最新进展，将其分为五类：(i) 解聚成单体，(ii) 不同类型超分子聚合物内部的转化，(iii) 超分子聚合物的后稳定，(iv) 激活休眠单体进行原位聚合，以及 (v) 具有可编程寿命的瞬时聚合。此外，还概述了复杂超分子体系中耦合平衡导致的非常规响应性方面的最新进展。重点是单体结构设计原理和响应刺激的累积性质变化，旨在促进刺激响应超分子聚合物领域的进一步研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemistry of Materials 工程技术-材料科学：综合

CiteScore

14.10

自引率

5.80%

发文量

929

审稿时长

1.5 months

期刊介绍： The journal Chemistry of Materials focuses on publishing original research at the intersection of materials science and chemistry. The studies published in the journal involve chemistry as a prominent component and explore topics such as the design, synthesis, characterization, processing, understanding, and application of functional or potentially functional materials. The journal covers various areas of interest, including inorganic and organic solid-state chemistry, nanomaterials, biomaterials, thin films and polymers, and composite/hybrid materials. The journal particularly seeks papers that highlight the creation or development of innovative materials with novel optical, electrical, magnetic, catalytic, or mechanical properties. It is essential that manuscripts on these topics have a primary focus on the chemistry of materials and represent a significant advancement compared to prior research. Before external reviews are sought, submitted manuscripts undergo a review process by a minimum of two editors to ensure their appropriateness for the journal and the presence of sufficient evidence of a significant advance that will be of broad interest to the materials chemistry community.