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- Title
Insights of Fe 2 O 3 and MoO 3 Electrodes for Electrocatalytic CO 2 Reduction in Aprotic Media.
- Authors
Mendieta-Reyes, Néstor E.; Lozano-Pérez, Alejandra S.; Guerrero-Fajardo, Carlos A.
- Abstract
Transition metal oxides (TMO) have been successfully used as electrocatalytically active materials for CO2 reduction in some studies. Because of the lack of understanding of the catalytic behavior of TMOs, electrochemical methods are used to investigate the CO2 reduction in thin-film nanostructured electrodes. In this context, nanostructured thin films of Fe2O3 and MoO3 in an aprotic medium of acetonitrile have been used to study the CO2 reduction reaction. In addition, a synergistic effect between CO2 and the TMO surface is observed. Faradic cathodic processes not only start at lower potentials than those reported with metal electrodes, but also an increase in capacitive currents is observed, which is directly related to an increase in oxygen vacancies. Finally, the results obtained show CO as a product of the reduction.
- Subjects
FERRIC oxide; OXYGEN reduction; CARBON dioxide; TRANSITION metal oxides; APROTIC solvents; ELECTRODES
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 21, p13367
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms232113367