A near edge X-ray absorption fine structure (NEXAFS) study of the response mechanism of the iron (III) chalcogenide glass membrane ion-selective electrode

Mark Maric; Manzar Sohail; Roland De Marco

doi:10.1016/j.elecom.2014.01.017

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A near edge X-ray absorption fine structure (NEXAFS) study of the response mechanism of the iron (III) chalcogenide glass membrane ion-selective electrode

Journal article

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A near edge X-ray absorption fine structure (NEXAFS) study of the response mechanism of the iron (III) chalcogenide glass membrane ion-selective electrode

Mark Maric, Manzar Sohail and Roland De Marco

Electrochemistry Communications, Vol.41, pp.27-30

2014

DOI: https://doi.org/10.1016/j.elecom.2014.01.017

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Abstract

XPS

NEXAFS

iron(III) ISE

chalcogenide glass membrane

electrode mechanism

We have utilized synchrotron radiation-X-ray photoelectron spectroscopy (SR-XPS) and near edge X-ray absorption fine structure (NEXAFS) to demonstrate unequivocally that the modified surface layer (MSL) of the iron chalcogenide glass ion-selective electrode (ISE) comprises a mixture of iron(II) and iron(III) redox states, as proposed in previous theories to explain the mixed electron transfer and ion exchange response mechanism of this analytically important ISE.

Details

Title: A near edge X-ray absorption fine structure (NEXAFS) study of the response mechanism of the iron (III) chalcogenide glass membrane ion-selective electrode
Authors: Mark Maric (Author) - Curtin University
Manzar Sohail (Author) - University of the Sunshine Coast
Roland De Marco (Author) - University of the Sunshine Coast
Publication details: Electrochemistry Communications, Vol.41, pp.27-30
Publisher: Elsevier Inc.
Date published: 2014
DOI: 10.1016/j.elecom.2014.01.017
ISSN: 1388-2481
Grants: Calibration Free Coulometric Sensors Based on Polymeric Thin Layer Films, DP0987851, Australian Research Council (Australia, Canberra) - ARC
The role of water uptake in novel all solid-state polymeric ion sensors, LX0776015, Australian Research Council (Australia, Canberra) - ARC
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
Language: English
Record Identifier: 99448723602621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Electrochemistry