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Issue 8, 2016
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An ARXPS and ERXPS study of quaternary ammonium and phosphonium ionic liquids: utilising a high energy Ag Lα′ X-ray source

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Abstract

A series of ammonium- and phosphonium-based ionic liquids have been probed using X-ray photoelectron spectroscopy (XPS) with a high energy Ag Lα′ X-ray source. The capability of the Ag Lα′ X-ray source for ionic liquid analysis is confirmed alongside the characterisation of previously undetected high energy core photoelectron emissions. Additionally, the utilisation of the Ag Lα′ X-ray source as a depth profiling technique (ERXPS) to investigate the structure of the ionic liquid/vacuum interface has been demonstrated, with comparison made to angle resolved X-ray photoelectron spectroscopy (ARXPS).

Graphical abstract: An ARXPS and ERXPS study of quaternary ammonium and phosphonium ionic liquids: utilising a high energy Ag Lα′ X-ray source

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Publication details

The article was received on 18 Nov 2015, accepted on 28 Jan 2016 and first published on 05 Feb 2016


Article type: Paper
DOI: 10.1039/C5CP07089A
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Citation: Phys. Chem. Chem. Phys., 2016,18, 6122-6131
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    An ARXPS and ERXPS study of quaternary ammonium and phosphonium ionic liquids: utilising a high energy Ag Lα′ X-ray source

    R. K. Blundell, A. E. Delorme, E. F. Smith and P. Licence, Phys. Chem. Chem. Phys., 2016, 18, 6122
    DOI: 10.1039/C5CP07089A

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