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Nanoporous BiVO 4 Photoanodes with Dual-Layer Oxygen Evolution Catalysts for Solar Water Splitting
Abstract
A Boost for Bismuth Vanadate: In theory, given its light-absorption spectrum, bismuth vanadate should be an effective photoanode for solar water-splitting. However, in prior studies, few of the “holes” generated upon photoexcitation have persisted long enough to strip electrons from water. Kim and Choi (p. 990 , published online 13 February) now show that the use of a hydrophobic vanadium source in the semiconductor's synthesis results in a high-surface-area morphology with substantially enhanced hole lifetimes. Deposition of two successive catalyst layers enhanced the proportion of holes that reacted with water at the surface, thereby raising the efficiency of the oxygen evolution reaction.
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Citations
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
A review on fundamentals for designing oxygen evolution electrocatalysts
Song, J., Wei, C., Huang, Z.-F., Liu, C., Zeng, L., Wang, X., & Xu, Z. J. (2020) · Chemical Society Reviews · doi:10.1039/c9cs00607a · Cited by 2,936
Water photolysis at 12.3% efficiency via perovskite photovoltaics and Earth-abundant catalysts
Luo, J., Im, J.-H., Mayer, M. T., Schreier, M., Nazeeruddin, M. K., Park, N.-G., Tilley, S. D., Fan, H. J., & Grätzel, M. (2014) · Science · doi:10.1126/science.1258307 · Cited by 2,509
Transition‐Metal (Co, Ni, and Fe)‐Based Electrocatalysts for the Water Oxidation Reaction
Han, L., Dong, S., & Wang, E. (2016) · Advanced Materials · doi:10.1002/adma.201602270 · Cited by 1,769
Semiconducting materials for photoelectrochemical energy conversion
Sivula, K., & van de Krol, R. (2016) · Nature Reviews Materials · doi:10.1038/natrevmats.2015.10 · Cited by 1,645
Metadata
- Authors
- Kim, T. W., & Choi, K.-S.
- Venue
- Science
- Published
- 2014-02-28
- Volume
- 343
- Issue
- 6174
- Pages
- 990-994
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2070491781
- Cited by
- 3,185
- References
- 0
- FWCI
- 87.21
- Type
- journal article
- Language
- en
- Open access
- closed
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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.
