at Google ScholarTitle data
Arán-Ais, Rosa M. ; Rizo, Rubén ; Grosse, Philipp ; Algara-Siller, Gerardo ; Dembélé, Kassiogé ; Plodinec, Milivoj ; Lunkenbein, Thomas ; Chee, See Wee ; Roldán Cuenya, Beatriz:
Imaging electrochemically synthesized Cu₂O cubes and their morphological evolution under conditions relevant to CO₂ electroreduction.
In: Nature Communications.
Vol. 11
(2020)
Issue 1
.
- 3489.
ISSN 2041-1723
DOI: https://doi.org/10.1038/s41467-020-17220-6
Abstract in another language
Copper is a widely studied catalyst material for the electrochemical conversion of carbon dioxide to valuable hydrocarbons. In particular, copper-based nanostructures expressing predominantly {100} facets have shown high selectivity toward ethylene formation, a desired reaction product. However, the stability of such tailored nanostructures under reaction conditions remains poorly understood. Here, using liquid cell transmission electron microscopy, we show the formation of cubic copper oxide particles from copper sulfate solutions during direct electrochemical synthesis and their subsequent morphological evolution in a carbon dioxide-saturated 0.1M potassium bicarbonate solution under a reductive potential. Shape-selected synthesis of copper oxide cubes was achieved through: (1) the addition of chloride ions and (2) alternating the potentials within a narrow window where the deposited non-cubic particles dissolve, but cubic ones do not. Our results indicate that copper oxide cubes change their morphology rapidly under carbon dioxide electroreduction-relevant conditions, leading to an extensive re-structuring of the working electrode surface.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Additional notes: | WOS:000553492900002 |
| Institutions of the University: | Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry Faculties Faculties > Faculty of Biology, Chemistry and Earth Sciences Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Operando-Analytics of Electrochemical Energy Storage > Chair Operando-Analytics of Electrochemical Energy Storage - Univ.-Prof. Dr. Thomas Lunkenbein |
| Result of work at the UBT: | No |
| DDC Subjects: | 500 Science > 540 Chemistry |
| Date Deposited: | 13 Jun 2025 07:04 |
| Last Modified: | 04 Jul 2025 11:32 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/93699 |