The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Steering the structure and selectivity of CO2 electroreduction catalysts by potential pulses
Open accessAbstract
Convoluted selectivity trends and a missing link between reaction product distribution and catalyst properties hinder practical applications of the electrochemical CO 2 reduction reaction (CO 2 RR) for multicarbon product generation. Here we employ operando X-ray absorption and X-ray diffraction methods with subsecond time resolution to unveil the surprising complexity of catalysts exposed to dynamic reaction conditions. We show that by using a pulsed reaction protocol consisting of alternating working and oxidizing potential periods that dynamically perturb catalysts derived from Cu 2 O nanocubes, one can decouple the effect of the ensemble of coexisting copper species on the product distribution. In particular, an optimized dynamic balance between oxidized and reduced copper surface species achieved within a narrow range of cathodic and anodic pulse durations resulted in a twofold increase in ethanol production compared with static CO 2 RR conditions. This work thus prepares the ground for steering catalyst selectivity through dynamically controlled structural and chemical transformations.
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Self-citationDopant-induced electron localization drives CO2 reduction to C2 hydrocarbons
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Cited by
Atomic-scale surface restructuring of copper electrodes under CO2 electroreduction conditions
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Self-citationSurface engineering for stable electrocatalysis
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Engineering Cu(I)/Cu(0) interfaces for efficient ethanol production from CO2 electroreduction
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Metadata
- Authors
- Timoshenko, J., Bergmann, A., Rettenmaier, C., Herzog, A., Arán-Ais, R. M., Jeon, H. S., Haase, F. T., Hejral, U., Grosse, P., Kühl, S., Davis, E. M., Tian, J., Magnussen, O., & Roldan Cuenya, B.
- Venue
- Nature Catalysis
- Published
- 2022-04-21
- Volume
- 5
- Issue
- 4
- Pages
- 259-267
- ISSN
- 2520-1158 (ISSN-L)
- OpenAlex
- W4224297096
- Cited by
- 435
- References
- 40
- FWCI
- 16.08
- Type
- journal article
- Language
- en
- Open access
- hybrid
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