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Issue 41, 2016, Issue in Progress
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Micro- and mesoscopic structural features of a bio-based choline-amino acid ionic liquid

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Abstract

High energy X-ray diffraction data from a bio-based ionic liquid constituted by choline ([cho]) and an amino acid (AA), namely n-leucine ([nle]), are presented and described by means of an atomistic molecular dynamics simulation aiming at extracting detailed structural information at both microscopic and mesoscopic spatial scales. We find that similar to other previously studied analogous systems, a strong, hydrogen bonding driven, cation–anion correlation determines the microscopic structure. While other peculiar correlations exist in this [cho][nle] IL, the medium length alkyl tail of the AA leads to the development of a characteristic polar vs. apolar alternation, as a consequence of the alkyl tails segregation into domains, thus delivering the formation of an enhanced level of mesoscopic organization in this IL.

Graphical abstract: Micro- and mesoscopic structural features of a bio-based choline-amino acid ionic liquid

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Article information


Submitted
24 Jan 2016
Accepted
29 Mar 2016
First published
31 Mar 2016

RSC Adv., 2016,6, 34737-34743
Article type
Paper

Micro- and mesoscopic structural features of a bio-based choline-amino acid ionic liquid

O. Russina, S. De Santis and L. Gontrani, RSC Adv., 2016, 6, 34737
DOI: 10.1039/C6RA02142E

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