Issue 3, 2021

An overview of CO32−/HCO3 binding by aerial CO2 fixation within the self-assemblies of hydrogen-bond donor scaffolds

Abstract

The highlight mainly consolidates the overview of research related to the F/OH-induced fixation of atmospheric CO2 as air-stable carbonate/bicarbonate anion(s) within the neutral or charged self-assemblies of artificial receptors in the solid state. The detailed and comprehensive account of the structural aspects amongst one or more host/host-assemblies and respective anions (CO32−, HCO3)/hydrated-anions/anionic associations are systematically discussed throughout the highlight. Special emphasis has also been given to the construction of some typical supramolecular self-assembled host–guest architectures, such as molecular barrels, capsules, and cages, having arisen due to the uptake of atmospheric CO2 by either acyclic (monopodal, dipodal, tripodal) or cyclic hydrogen-bond donor scaffolds with these planar anions. Studies on the differential binding behavior of these environmentally and biologically relevant anions in aqueous or organic medium, followed by some other significant anion recognition applications, such as extraction and sensing, by utilizing some of these aerial CO2 fixed complexes have also been included in this highlight.

Graphical abstract: An overview of CO32−/HCO3− binding by aerial CO2 fixation within the self-assemblies of hydrogen-bond donor scaffolds

Article information

Article type
Highlight
Submitted
09 set 2020
Accepted
23 nov 2020
First published
23 nov 2020

CrystEngComm, 2021,23, 512-527

An overview of CO32−/HCO3 binding by aerial CO2 fixation within the self-assemblies of hydrogen-bond donor scaffolds

U. Manna and G. Das, CrystEngComm, 2021, 23, 512 DOI: 10.1039/D0CE01311K

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