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An XAS study of the local environment of ions in soggy sand electrolytes

Chadwick, Alan V., Edwards, William V., Maier, Joachim, Bhattacharyya, Aninda J. (2006) An XAS study of the local environment of ions in soggy sand electrolytes. Electrochemical and Solid State Letters, 9 (12). A564-A569. ISSN 1099-0062. (doi:10.1149/1.2359102) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:8617)

Language: English

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In this paper via X-ray absorption spectroscopy (XAS) studies we discuss the local ion environment in two different "soggy sand" electrolyte systems: RbBr in ethylene carbonate-dimethyl carbonate (EC-DMC):SiO2 and LiBr in tetrahydrofuran (THF):SiO2. The X-ray absorption near edge structure results for the RbBr in EC-DMC:SiO2 showed marked changes for the Br K-edge and almost no change for the Rb K-edge in the composite compared to the pure solution. Quantitative analysis of Br K-edge from extended X-ray absorption fine structure in LiBr in THF:SiO2 showed pronounced ordering in the Br- ions which arises from the trapping of the Br- on the surface of the silica.

Item Type: Article
DOI/Identification number: 10.1149/1.2359102
Projects: [41] Alistore
Subjects: Q Science
Divisions: Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Faculties > Sciences > School of Physical Sciences
Depositing User: Alan Chadwick
Date Deposited: 05 Sep 2008 14:33 UTC
Last Modified: 28 May 2019 13:44 UTC
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