Dynamic Adaptive Two-Dimensional Supramolecular Assemblies for On-Demand Filtration.
Materials Characterization
Materials Synthesis
Supramolecular Materials
Journal
iScience
ISSN: 2589-0042
Titre abrégé: iScience
Pays: United States
ID NLM: 101724038
Informations de publication
Date de publication:
27 Sep 2019
27 Sep 2019
Historique:
received:
09
04
2019
revised:
12
06
2019
accepted:
03
07
2019
pubmed:
28
7
2019
medline:
28
7
2019
entrez:
27
7
2019
Statut:
ppublish
Résumé
The construction of synthetic two-dimensional (2D) materials designates a pathway to the versatile chemical functionality by spatial control. However, current 2D materials with intelligence of stimuli-responsibility and adaptiveness have been unfledged. The approach reported here uses a supramolecular strategy to achieve the dynamic non-covalent self-assembly of a rationally designed small molecule monomer, producing large-area, ultra-thin, porous 2D supramolecular assemblies, which are solution-processable in aqueous solution. Importantly, the 2D supramolecular assemblies exhibit distinct adaptive capability to automatically regulate their network density and pore diameters in response to environmental temperature change, which could be developed into an "on-demand" filtration application for nanoparticles. Meanwhile, the 2D supramolecular assemblies can also perform reversible degradation/reformation by photo-irradiation. Our results not only show the simplicity, reliability, and effectiveness of supramolecular strategies in the construction of 2D materials with practical sizes, but also push the dynamic alterability and adaptation features from supramolecular assemblies toward 2D materials.
Identifiants
pubmed: 31349188
pii: S2589-0042(19)30232-9
doi: 10.1016/j.isci.2019.07.007
pmc: PMC6660589
pii:
doi:
Types de publication
Journal Article
Langues
eng
Pagination
14-24Informations de copyright
Copyright © 2019 The Authors. Published by Elsevier Inc. All rights reserved.
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