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Multicolor luminescent supramolecular hydrogels based on cucurbit[8]uril and OPV derivative

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Abstract

Supramolecular hydrogels have received considerable attention because of their various fascinating applications. Herein, an alkyl chain-modified oligo(p-phenylenevinylene) (Py-OPV) derivative was synthesized. When assembled with cucurbit[7]uril, its fluorescence intensity was enhanced without any change in color. However, the molecules underwent J-type dimerization when encased in the cavity of cucurbit[8]uril, which possessed different emission properties based on the monomer. By simply changing the concentration of cucurbit[8]uril, the fluorescence properties of the assemblies were easily altered. In addition, luminescent supramolecular hydrogels were constructed with Py-OPV and cucurbit[8]uril based on the photopolymerization of acrylamide. By embedding the assembly in the polymer to confine it, hydrogels emitting various tones of blue light were easily constructed. The preparation method of such luminescent hydrogels provides a new reference method for the construction of specific luminescent materials.

Graphical abstract: Multicolor luminescent supramolecular hydrogels based on cucurbit[8]uril and OPV derivative

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Publication details

The article was received on 08 Oct 2019, accepted on 14 Nov 2019 and first published on 14 Nov 2019


Article type: Paper
DOI: 10.1039/C9SM02004G
Soft Matter, 2019, Advance Article

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    Multicolor luminescent supramolecular hydrogels based on cucurbit[8]uril and OPV derivative

    Y. Chang, Y. Chen and Y. Liu, Soft Matter, 2019, Advance Article , DOI: 10.1039/C9SM02004G

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