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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, 22 (34). pp. 18770-18773. doi:10.1039/D0CP01378A
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Official URL: https://doi.org/10.1039/D0CP01378A
Abstract
Pyrochlore iridates (Na,Ca)2-xIr2O6.H2O are acid-stable electrocatalysts that are candidates for use in electrolysers and fuel cells. Ir LIII-edge X-ray absorption fine structure spectroscopy in 1 M H2SO4 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, Engineering and Medicine > 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: | 14 September 2020 | ||||||||
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| Volume: | 22 | ||||||||
| Number: | 34 | ||||||||
| Page Range: | pp. 18770-18773 | ||||||||
| DOI: | 10.1039/D0CP01378A | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
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