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Cathodic shift in onset potential of solar oxygen evolution on hematite by 13-group oxide overlayers
Open accessAbstract
The onset potential of photoelectrochemical water oxidation on ultrathin hematite was improved by up to 200 mV by the chemical bath deposition of 13-group oxides as overlayers. It is proposed that the corundum-type overlayers released lattice strain of the ultrathin hematite layer and decreased the density of surface states. Particularly, a Ga2O3 overlayer exhibited an enhanced photocurrent attributed to stoichiometric water splitting near the onset potential. The photocurrent was sustained over a day, attesting to its outstanding performance and durability for water splitting.
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Cited by
Photocatalytic and Photoelectrochemical Systems: Similarities and Differences
Wu, H., Tan, H. L., Toe, C. Y., Scott, J., Wang, L., Amal, R., & Ng, Y. H. (2020) · Advanced Materials · doi:10.1002/adma.201904717 · Cited by 394
Hetero-type dual photoanodes for unbiased solar water splitting with extended light harvesting
Kim, J. H., Jang, J.-W., Jo, Y. H., Abdi, F. F., Lee, Y. H., van de Krol, R., & Lee, J. S. (2016) · Nature Communications · doi:10.1038/ncomms13380 · Cited by 344
Metadata
- Authors
- Hisatomi, T., Le Formal, F., Cornuz, M., Brillet, J., Tétreault, N., Sivula, K., & Grätzel, M.
- Venue
- Energy & Environmental Science
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2011
- Volume
- 4
- Issue
- 7
- Pages
- 2512
- ISSN
- 1754-5692 (ISSN-L)
- 1754-5706
- OpenAlex
- W2043954122
- Cited by
- 286
- References
- 0
- FWCI
- 7.36
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Cathodic shift in onset potential of solar oxygen evolution on hematite by 13-group oxide overlayers. https://app.cochat.ai/papers/10.1039/c1ee01194d
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- Hisatomi, T., Le Formal, F., Cornuz, M., Brillet, J., Tétreault, N., Sivula, K., & Grätzel, M. (2011). Cathodic shift in onset potential of solar oxygen evolution on hematite by 13-group oxide overlayers. Energy & Environmental Science. https://doi.org/10.1039/c1ee01194d
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