X-ray photoelectron spectroscopy of trihalide ionic liquids: comparison to halide-based analogues, anion basicity and beam damage

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Men, Shuang, Lovelock, Kevin and Licence, Peter (2017) X-ray photoelectron spectroscopy of trihalide ionic liquids: comparison to halide-based analogues, anion basicity and beam damage. Chemical Physics Letters, 679 . pp. 207-211. ISSN 0009-2614

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Official URL: http://www.sciencedirect.com/science/article/pii/S0009261417304487

Abstract

X-ray photoelectron spectroscopy is used to investigate two 1-octyl-3-methylimidazolium trihalide ionic liquids, with anions including triiodide and iododibromide. The electronic environment of each element present in ionic liquids studied herein is analysed and compared to their halide-based analogous. The anion basicity is compared based upon the measured N 1s binding energy. The iododibromide ionic liquid is studied as a representative sample to illustrate the beam damage effect. Due to the beam damage, there is a new formed bromine component observed. This effect is calculated and demonstrated for all elements present within the ionic liquid. It suggests that the beam induced decomposition caused a stoichiometric loss of bromine atom and iodine atom.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/869719
Keywords:	Ionic liquids, Anion basicity, Bromine component, Beam induced decomposition
Schools/Departments:	University of Nottingham, UK > Faculty of Science > School of Chemistry
Identification Number:	https://doi.org/10.1016/j.cplett.2017.05.010
Depositing User:	Licence, Peter
Date Deposited:	07 Sep 2017 10:59
Last Modified:	04 May 2020 18:52
URI:	https://eprints.nottingham.ac.uk/id/eprint/45492

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