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In situ XAFS of acid-resilient iridate pyrochlore oxygen evolution electrocatalysts under operating conditions
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Burnett, David L., Petrucco, Enrico, Russell, Andrea E., Kashtiban, Reza J., Sharman, Jonathan D. B. and Walton, Richard I. (2020) In situ XAFS of acid-resilient iridate pyrochlore oxygen evolution electrocatalysts under operating conditions. Physical Chemistry Chemical Physics . doi:10.1039/D0CP01378A (In Press)
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WRAP-in-situ-acid-resilient-iridate-pyrochlore-oxygen-electrocatalysts-Burnett-2020.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only - Requires a PDF viewer. Download (1288Kb) |
Official URL: https://doi.org/10.1039/D0CP01378A
Abstract
Pyrochlore iridates (Na,Ca)<sub>2-x</sub>Ir<sub>2</sub>O<sub>6</sub>?H<sub>2</sub>O are acid-stable electrocatalysts that are candidates for use in electrolysers and fuel cells. Ir L<sub>III</sub>-edge X-ray absorption fine structure spectroscopy in 1 M H<sub>2</sub>SO<sub>4</sub> at oxygen evolution conditions suggests the involvement of the electrons from the conduction band of the metallic particles, rather than just surface iridium reacting.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QD Chemistry T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science > Chemistry | ||||||||
| Library of Congress Subject Headings (LCSH): | Conducting polymers, Fuel cells, Proton exchange membrane fuel cells, Electrocatalysis, Polyelectrolytes | ||||||||
| Journal or Publication Title: | Physical Chemistry Chemical Physics | ||||||||
| Publisher: | Royal Society of Chemistry | ||||||||
| ISSN: | 1463-9076 | ||||||||
| Official Date: | 2020 | ||||||||
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| Date of first compliant deposit: | 6 May 2020 | ||||||||
| DOI: | 10.1039/D0CP01378A | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | In Press | ||||||||
| Access rights to Published version: | Open Access | ||||||||
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