Fluorescent Imprintable Hydrogels via Organic/Inorganic Supramolecular Coassembly

ACS Applied Materials & Interfaces
Qiuhong ChengPengyao Xing

Abstract

Photoresponsive hydrogels with on/off luminescence show a promising application potential in writable information recording and display materials. However, it still remains a tremendous challenge to fabricate such hydrogels on account of the intrinsic fluorescence quenching effect and the lack of suitable responsive groups. Herein, we present fluorescent imprintable hydrogels constructed via organic/inorganic supramolecular coassembly. A photoisomeric cyanostilbene conjugated cationic surfactant exhibited an aggregation-induced emission behavior upon clay (laponite) complexation, along with excellent thixotropism brought by laponite. Macrocyclic cucurbituril[7] and β-cyclodextrin rings capable of forming host-guest complexes with the surfactant were utilized to give ternary hybrid hydrogels with luminescence and photoresponsive properties. On the account of trans-cis photoisomerization of the cyanostilbene unit, the fluorescence of the multicomponent hydrogels could undergo rapid quenching within a short irradiation period under UV light and be recovered when subjected to an annealing process. According to these properties, the imprinted fluorescent patterns using the hybrid hydrogels were erasable and rewritable. Thus, this re...Continue Reading

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Citations

Nov 8, 2020·Advances in Colloid and Interface Science·Qiuhong ChengPengyao Xing
Feb 6, 2021·Topics in Current Chemistry·Javad TavakoliYouhong Tang
Mar 27, 2021·Chemistry : a European Journal·Han CuiJinghua Chen
Apr 30, 2021·Chemical Communications : Chem Comm·Xingyu CuiChao Lu
Sep 24, 2020·ACS Applied Materials & Interfaces·Juncong LiangPengyao Xing
Nov 5, 2021·Nature Communications·Qiuhong ChengPengyao Xing

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