Size-selective binding of sodium and potassium ions in nanoporous thin films of polymerized liquid crystals

G.M. Bögels, J.A.M. Lugger, O.J.G.M. Goor, R.P. Sijbesma

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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Samenvatting

The development of a nanoporous material from a columnar liquid crystalline complex between a polymerizable benzoic acid derivative and a 1,3,5-tris(1H-benzo[d]imidazol-2-yl)benzene template molecule is described. The morphology of the liquid crystalline complex is retained upon polymerization and quantitative removal of the template molecule affords a nanoporous material with the same lattice parameters. The nanoporous material selectively binds cations from aqueous solution, with selectivity for sodium and potassium ions over lithium and barium ions, as shown with FT-IR. Binding is also quantified gravimetrically with a quartz crystal microbalance with dissipation monitoring, a technique that is used for this purpose for the first time here.

Originele taal-2Engels
Pagina's (van-tot)8023-8030
Aantal pagina's8
TijdschriftAdvanced Functional Materials
Volume26
Nummer van het tijdschrift44
DOI's
StatusGepubliceerd - 22 nov. 2016

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