The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
CO 2 Reduction at Low Overpotential on Cu Electrodes Resulting from the Reduction of Thick Cu 2 O Films
Abstract
Modified Cu electrodes were prepared by annealing Cu foil in air and electrochemically reducing the resulting Cu(2)O layers. The CO(2) reduction activities of these electrodes exhibited a strong dependence on the initial thickness of the Cu(2)O layer. Thin Cu(2)O layers formed by annealing at 130 °C resulted in electrodes whose activities were indistinguishable from those of polycrystalline Cu. In contrast, Cu(2)O layers formed at 500 °C that were ≥~3 μm thick resulted in electrodes that exhibited large roughness factors and required 0.5 V less overpotential than polycrystalline Cu to reduce CO(2) at a higher rate than H(2)O. The combination of these features resulted in CO(2) reduction geometric current densities >1 mA/cm(2) at overpotentials <0.4 V, a higher level of activity than all previously reported metal electrodes evaluated under comparable conditions. Moreover, the activity of the modified electrodes was stable over the course of several hours, whereas a polycrystalline Cu electrode exhibited deactivation within 1 h under identical conditions. The electrodes described here may be particularly useful for elucidating the structural properties of Cu that determine the distribution between CO(2) and H(2)O reduction and provide a promising lead for the development of practical catalysts for electrolytic fuel synthesis.
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In the citing paper
“For example, using surface sensitive in-situ Raman spectroscopy with selected-ion flow tube mass spectrometry, Mandal et al. did not detect CO2RR products as long as Cu2O was present at the catalyst surface (Figure.7).[104]”
From Electrochemical CO 2 Reduction into Chemical Feedstocks: From Mechanistic Electrocatalysis Models to System Design (2019) · cites this paper as [104]
In the citing paper
“Their DFT studies suggested that the reduction of Cu2O is favored both kinetically and energetically over CO2RR.”
From Electrochemical CO 2 Reduction into Chemical Feedstocks: From Mechanistic Electrocatalysis Models to System Design (2019) · cites this paper as [104]
In the citing paper
“In contrast to the above reports, a few other DFT studies reveal that sub-surface oxygen has negligible effect on the CO2RR activity of Cu. [103,104]”
From Electrochemical CO 2 Reduction into Chemical Feedstocks: From Mechanistic Electrocatalysis Models to System Design (2019) · cites this paper as [104]
Citations
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Progress and perspectives of electrochemical CO2 reduction on copper in aqueous electrolyte
Nitopi, S., Bertheussen, E., Scott, S. B., Liu, X., Engstfeld, A. K., Horch, S., Seger, B., Stephens, I. E. L., Chan, K., Hahn, C., et al. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00705 · Cited by 5,223
A review of catalysts for the electroreduction of carbon dioxide to produce low-carbon fuels
Qiao, J., Liu, Y., Hong, F., & Zhang, J. (2014) · Chem. Soc. Rev. · doi:10.1039/c3cs60323g · Cited by 2,990
Cu and Cu-Based Nanoparticles: Synthesis and Applications in Catalysis
Gawande, M. B., Goswami, A., Felpin, F., Asefa, T., Huang, X., Silva, R., Zou, X., Zbořil, R., & Varma, R. S. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00482 · Cited by 3,000
Advances and challenges in understanding the electrocatalytic conversion of carbon dioxide to fuels
Birdja, Y. Y., Pérez-Gallent, E., Figueiredo, M. C., Göttle, A. J., Calle-Vallejo, F., & Koper, M. T. M. (2019) · Nature Energy · doi:10.1038/s41560-019-0450-y · Cited by 2,747
Covalent organic frameworks comprising cobalt porphyrins for catalytic CO 2 reduction in water
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Metadata
- Authors
- Li, C. W., & Kanan, M. W.
- Affiliations
- Stanford University (US)
- Corresponding author
- Kanan, Matthew W.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-04-20
- Volume
- 134
- Issue
- 17
- Pages
- 7231-7234
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2082498048
- Cited by
- 2,000
- References
- 29
- Citations by year
- 2026: 84 · 2025: 109 · 2024: 126 · 2023: 128 · 2022: 168 · 2021: 189 · 2020: 235 · 2019: 194 · 2018: 210 · 2017: 181 · 2016: 155 · 2015: 105 · 2014: 64 · 2013: 44 · 2012: 8
- FWCI
- 27.14
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Chemical Society (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Foundation
- Stanford Precourt Institute for Energy
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Chemical Engineering › Catalysis › Catalysts for Methane Reforming
- Keywords
- CO2 reduction, copper electrode, low overpotential, electrode surface roughness, film thickness dependence, annealing temperature, electrode deactivation, electrocatalysis
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