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In Situ Raman Study of Potential‐Dependent Surface Adsorbed Carbonate, CO, OH, and C Species on Cu Electrodes During Electrochemical Reduction of CO2
Open accessAbstract
Using in situ surface‐enhanced Raman spectroscopy (SERS), and 13 C/12 C and D 2 O/H 2 O isotopic labeling for assignment, we show potential dependent transients in surface composition of Cu‐catalyzed electrochemical reduction of CO 2 in carbonate solution. First, reduction of Cu(I)oxide is accompanied by adsorption of predominantly monodentate carbonate at ∼1067 cm−1 starting in the potential range from [+0.2 V→−0.2 V]. Contrary to recently advocated hypotheses, and based on the significant presence at anodic potential, a band in this potential range at ∼1540 cm−1 can be assigned to bidentate carbonate. As expected, appearance of surface CO was observed in the range of [−0.4 V→−1.0 V], clearly identified by the Cu−CO vibration at 360 cm−1. Most importantly, at the more negative end of this potential range, we identified the formation of surface OH, and for the first time a surface Cu−C species, showing Raman bands at ∼525 cm−1 (Cu−OH) and ∼500 cm−1 (Cu−C), respectively. In the potential range of [−1.0 V→−1.4 V], surface CO disappears, while the Cu−OH and Cu−C species are persistent. Interestingly positive polarization at >0.1 V removes these species and restores the surface to Cu(I)oxide, rendering the surface processes completely reversible. Implications of this study for mechanistic understanding of electrode deactivation and practical operation are discussed.
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New insights into the electrochemical reduction of carbon dioxide on metallic copper surfaces
Kuhl, K. P., Cave, E. R., Abram, D. N., & Jaramillo, T. F. (2012) · Energy & Environmental Science · doi:10.1039/c2ee21234j · Cited by 3,160
Highly selective plasma-activated copper catalysts for carbon dioxide reduction to ethylene
Mistry, H., Varela, A. S., Bonifacio, C. S., Zegkinoglou, I., Sinev, I., Choi, Y.-W., Kisslinger, K., Stach, E. A., Yang, J. C., Strasser, P., et al. (2016) · Nature Communications · doi:10.1038/ncomms12123 · Cited by 1,214
De Luna, P., Quintero-Bermudez, R., Dinh, C.-T., Ross, M. B., Bushuyev, O. S., Todorović, P., Regier, T., Kelley, S. O., Yang, P., & Sargent, E. H. (2018) · Nature Catalysis · doi:10.1038/s41929-017-0018-9 · Cited by 1,046
Subsurface Oxygen in Oxide-Derived Copper Electrocatalysts for Carbon Dioxide Reduction
Eilert, A., Cavalca, F., Roberts, F. S., Osterwalder, J., Liu, C., Favaro, M., Crumlin, E. J., Ogasawara, H., Friebel, D., Pettersson, L. G. M., et al. (2017) · The Journal of Physical Chemistry Letters · doi:10.1021/acs.jpclett.6b02273 · Cited by 443
Investigating the Role of Copper Oxide in Electrochemical CO 2 Reduction in Real Time
Mandal, L., Yang, K. R., Motapothula, M. R., Ren, D., Lobaccaro, P., Patra, A., Sherburne, M., Batista, V. S., Yeo, B. S., Ager, J. W., et al. (2018) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.7b15418 · Cited by 269
Cited by
Zhan, C., Dattila, F., Rettenmaier, C., Bergmann, A., Kühl, S., García-Muelas, R., López, N., & Cuenya, B. R. (2021) · ACS Catalysis · doi:10.1021/acscatal.1c01478 · Cited by 554
An, H., Wu, L., Mandemaker, L. D. B., Yang, S., de Ruiter, J., Wijten, J. H. J., Janssens, J. C. L., Hartman, T., van der Stam, W., & Weckhuysen, B. M. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202104114 · Cited by 353
Atomic-scale surface restructuring of copper electrodes under CO2 electroreduction conditions
Amirbeigiarab, R., Tian, J., Herzog, A., Qiu, C., Bergmann, A., Roldan Cuenya, B., & Magnussen, O. M. (2023) · Nature Catalysis · doi:10.1038/s41929-023-01009-z · Cited by 331
Metadata
- Authors
- Moradzaman, M., & Mul, G.
- Venue
- ChemElectroChem
- Publisher
- Wiley
- Published
- 2021-03-10
- Volume
- 8
- Issue
- 8
- Pages
- 1478-1485
- ISSN
- 2196-0216 (ISSN-L)
- OpenAlex
- W3135508330
- Cited by
- 179
- References
- 5
- FWCI
- 4.14
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Moradzaman, M., & Mul, G. (2021). In Situ Raman Study of Potential‐Dependent Surface Adsorbed Carbonate, CO, OH, and C Species on Cu Electrodes During Electrochemical Reduction of CO2. ChemElectroChem. https://doi.org/10.1002/celc.202001598
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