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Is basicity the sole criterion for attaining high carbon dioxide capture in deep-eutectic solvents?

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Abstract

A critical analysis of the role of Hammett basicity (H) and aqueous basicity (pKa) in CO2 uptake in deep-eutectic solvents (DESs) suggests that neither H nor pKa correlates with the CO2 w/w% capacity in the studied DESs. Instead, strong “synergistic interactions” between donor and acceptor moieties satisfactorily relate to the w/w% of CO2 in DESs.

Graphical abstract: Is basicity the sole criterion for attaining high carbon dioxide capture in deep-eutectic solvents?

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Article information


Submitted
05 Nov 2019
Accepted
06 Dec 2019
First published
06 Dec 2019

Phys. Chem. Chem. Phys., 2020, Advance Article
Article type
Communication

Is basicity the sole criterion for attaining high carbon dioxide capture in deep-eutectic solvents?

S. K. Shukla, D. Nikjoo and J. Mikkola, Phys. Chem. Chem. Phys., 2020, Advance Article , DOI: 10.1039/C9CP06017K

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