Responsive and self-healing supramolecular photonic crystal hydrogels based on host-guest interactions

被引：9
|
作者：
Huang, Lingcong [1 ]
Liu, Yang [1 ]
Chen, Hongxiang [1 ]
Wu, Jun [2 ]
Zhang, Xiongzhi [1 ,2 ]
Liu, Simin [1 ,2 ]
机构：
[1] Wuhan Univ Sci & Technol, Sch Chem & Chem Engn, Wuhan 430081, Peoples R China
[2] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY C | 2022年 / 10卷 / 42期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1039/d2tc03677k
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The development of supramolecular photonic crystal hydrogels (SPCHs) with responsive and self-healing properties has been established as an important topic. Here, we show a 3D network SPCH prepared by dynamic host-guest interactions between the host molecule cucurbit[8]uril and guest units. This obtained SPCH exhibited a bright structural color due to the introduction of photonic crystal Fe3O4@C magnetic nanoparticles (Fe3O4@C MNPs). The responsive properties of the SPCH were studied to show that the structural color of the SPCH could be tuned by water content, ethanol and competitive guest concentration. The SPCH exhibited self-healing properties without the loss of structural color at room temperature, owing to the introduction of dynamic host-guest interactions. This work provides a novel method for producing responsive and self-healing SPCHs with various potential applications.
引用
收藏
页码：15989 / 15995
页数：7
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