轮烷
气凝胶
材料科学
纳米技术
灵活性(工程)
分子
化学
超分子化学
有机化学
统计
数学
作者
Zhen Luo,Xinhai Zhang,Jun Zhao,Ruixue Bai,Wei Wang,Yuanhao Wang,Dong Zhao,Xuzhou Yan
标识
DOI:10.1002/anie.202306489
摘要
Abstract Mechanical bonds have been utilized as promising motifs to construct mechanically interlocked aerogels (MIAs) with mechanical adaptivity and multifunctionality. However, fabricating such aerogels with not only precise chemical structures but also dynamic features remains challenging. Herein, we present MIAs carrying dense [2]rotaxane units, which bestow both the stability and flexibility of the aerogel network. Owing to the stable chemical structure of a [2]rotaxane, MIAs possessing a precise and full‐scale mechanically interlocked network could be fabricated with the aid of diverse solvents. In addition, the dynamic nature of the [2]rotaxane resulted in morphologies and mechanical performances of the MIAs that can be dramatically modulated under chemical stimuli. We hope that the structure–property relationship in MIAs will facilitate the development of mechanically interlocked materials and provide novel opportunities toward constructing smart materials with multifunctionalities.
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