Dr Rosa Arrigo R.Arrigo@salford.ac.uk
Associate Professor/Reader
In situ dynamics of carbon supported metal systems for carbon dioxide electroreduction
Arrigo, R
Authors
Abstract
Graphitic materials are largely explored as redox-active supports for metal species in acid/base catalysis, redox catalysis and electrocatalysis. [1] Edge terminations and in-plane point defects, such non 6-membered rings and vacancies on the basal planes of the graphene layers can be functionalized with other heteroatoms, such as O, N, B and P for anchoring metal active species. Of interest, N species offer opportunities for the enhancement of a generally poor stability of these metal species on carbon supports as well as a tuning of the reactivity and selectivity. Thus, offering a platform for comparative mechanistic studies aimed at aiding materials design. In this contribution I will present on the dynamics of metal species on various carbon supports, with focus on Fe and Cu systems, during electrocatalytic CO2 reduction as monitored in recent work [2] by complementary surface and bulk sensitive in situ X-ray Spectroscopy.] These dynamics are correlated to the electrocatalysts´ performances to develop robust structure/function relationships. The discussion will be centred on the nature of the active sites as well as the beneficial role of the N species.
Citation
Arrigo, R. (2022, November). In situ dynamics of carbon supported metal systems for carbon dioxide electroreduction. Presented at Proceedings of International Conference on Frontiers in Electrocatalytic Transformations (INTERECT22), València, Spain
Presentation Conference Type | Keynote |
---|---|
Conference Name | Proceedings of International Conference on Frontiers in Electrocatalytic Transformations (INTERECT22) |
Conference Location | València, Spain |
Start Date | Nov 21, 2022 |
End Date | Nov 22, 2022 |
Online Publication Date | Oct 11, 2022 |
Publication Date | Oct 11, 2022 |
Deposit Date | Jan 12, 2023 |
DOI | https://doi.org/10.29363/nanoge.interect.2022.018 |
Publisher URL | https://doi.org/10.29363/nanoge.interect.2022.018 |
Additional Information | Event Type : Conference |
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