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Light-induced water oxidation at silicon electrodes functionalized with a cobalt oxygen-evolving catalyst
Open accessAbstract
Integrating a silicon solar cell with a recently developed cobalt-based water-splitting catalyst (Co-Pi) yields a robust, monolithic, photo-assisted anode for the solar fuels process of water splitting to O 2 at neutral pH. Deposition of the Co-Pi catalyst on the Indium Tin Oxide (ITO)-passivated p -side of a np -Si junction enables the majority of the voltage generated by the solar cell to be utilized for driving the water-splitting reaction. Operation under neutral pH conditions fosters enhanced stability of the anode as compared to operation under alkaline conditions (pH 14) for which long-term stability is much more problematic. This demonstration of a simple, robust construct for photo-assisted water splitting is an important step towards the development of inexpensive direct solar-to-fuel energy conversion technologies.
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Proton-coupled electron transfer
Huynh, M. H. V., & Meyer, T. J. (2007) · Chemical Reviews · doi:10.1021/cr0500030 · Cited by 1,659
Cited by
Earth-abundant catalysts for electrochemical and photoelectrochemical water splitting
Roger, I., Shipman, M. A., & Symes, M. D. (2017) · Nature Reviews Chemistry · doi:10.1038/s41570-016-0003 · Cited by 3,503
Nature and Light Dependence of Bulk Recombination in Co-Pi-Catalyzed BiVO4 Photoanodes
Abdi, F. F., & van de Krol, R. (2012) · The Journal of Physical Chemistry C · doi:10.1021/jp3007552 · Cited by 573
Metadata
- Authors
- Pijpers, J. J. H., Winkler, M. T., Surendranath, Y., Buonassisi, T., & Nocera, D. G.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2011-06-06
- Volume
- 108
- Issue
- 25
- Pages
- 10056-10061
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2093574181
- Cited by
- 204
- References
- 1
- FWCI
- 12.48
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Pijpers, J. J. H., Winkler, M. T., Surendranath, Y., Buonassisi, T., & Nocera, D. G. (2011). Light-induced water oxidation at silicon electrodes functionalized with a cobalt oxygen-evolving catalyst. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1106545108
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
