Probing the electronic structure of ether functionalised ionic liquids using X-ray photoelectron spectroscopy

Dick, Ejike J., Fouda, Adam E. A., Besley, Nicholas A. and Licence, Peter ORCID: https://orcid.org/0000-0003-2992-0153 (2020) Probing the electronic structure of ether functionalised ionic liquids using X-ray photoelectron spectroscopy. Physical Chemistry Chemical Physics, 22 (3). pp. 1624-1631. ISSN 1463-9076

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Abstract

The charge distribution associated with individual components in functionalised ionic liquids (ILs) can be tuned by careful manipulation of the substituent groups incorporated into the ions. Here we use X-ray photoelectron spectroscopy to investigate the impact of substituent atoms on the electronic structure of similar imidazolium-based systems each paired with a common anion, [Tf 2N] -. The experimental measurements revealed an unexpected variation in the charge density distribution within the IL cation when the oxygen atom in a poly-ether containing side chain is moved by just one atomic position. This surprising observation is supported by density functional theory calculations.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry, Pharmacy and Pharmacology
Related URLs:	https://www.scopus.com/pages/publication...
Depositing User:	LivePure Connector
Date Deposited:	05 Oct 2026 11:15
Last Modified:	07 Oct 2026 02:17
URI:	https://ueaeprints.uea.ac.uk/id/eprint/104718
DOI:	10.1039/C9CP01297D

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