Issue 27, 2023

Charge “mis-matched” hydrogen bonded frameworks for cation exchange and dye sorption

Abstract

Anionic hydrogen bonded frameworks were synthesised from di or tetra-amidinium hydrogen bond donor components and a charge “mis-matched” tecton possessing a 5 charge but only four hydrogen bond accepting groups. The net negative charge on the framework skeletons necessitates the presence of a cation in the framework channel. In one of the frameworks, the initially incorporated organic cation was rapidly displaced by smaller inorganic cations, or the cationic dye methylene blue. This facilitated the effective and selective removal of this dye from water.

Graphical abstract: Charge “mis-matched” hydrogen bonded frameworks for cation exchange and dye sorption

Supplementary files

Article information

Article type
Communication
Submitted
07 Feb 2023
Accepted
09 Mar 2023
First published
17 Mar 2023

Chem. Commun., 2023,59, 4059-4062

Charge “mis-matched” hydrogen bonded frameworks for cation exchange and dye sorption

P. Muang-Non, A. W. Markwell-Heys, C. J. Doonan and N. G. White, Chem. Commun., 2023, 59, 4059 DOI: 10.1039/D3CC00553D

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