Precision ion separation via self-assembled channels.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
11 Apr 2024
11 Apr 2024
Historique:
received:
20
10
2023
accepted:
20
03
2024
medline:
12
4
2024
pubmed:
12
4
2024
entrez:
11
4
2024
Statut:
epublish
Résumé
Selective nanofiltration membranes with accurate molecular sieving offer a solution to recover rare metals and other valuable elements from brines. However, the development of membranes with precise sub-nanometer pores is challenging. Here, we report a scalable approach for membrane fabrication in which functionalized macrocycles are seamlessly oriented via supramolecular interactions during the interfacial polycondensation on a polyacrylonitrile support layer. The rational incorporation of macrocycles enables the formation of nanofilms with self-assembled channels holding precise molecular sieving capabilities and a threshold of 6.6 ångström, which corresponds to the macrocycle cavity size. The resulting membranes provide a 100-fold increase in selectivity for Li
Identifiants
pubmed: 38605042
doi: 10.1038/s41467-024-47083-0
pii: 10.1038/s41467-024-47083-0
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3160Subventions
Organisme : King Abdullah University of Science and Technology (KAUST)
ID : BAS/1/1057-01-01
Informations de copyright
© 2024. The Author(s).
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