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Charge carrier trapping, recombination and transfer in hematite (α-Fe2O3) water splitting photoanodes
Open accessAbstract
Hematite is currently considered one of the most promising materials for the conversion and storage of solar energy via the photoelectrolysis of water. Whilst there has been extensive research and much progress in the development of hematite structures with enhanced photoelectrochemical (PEC) activity, relatively limited information has been available until recently concerning the dynamics of photogenerated charge carriers in hematite and their impact upon the efficiency of water photoelectrolysis. In this perspective we present an overview of our recent studies of the dynamics of photoinduced charge carrier processes in hematite, derived primarily from transient absorption spectroscopy of nanostructured photoanodes. The relationship between PEC activity and transient measurements are discussed in terms of a phenomenological model which rationalizes the observations and in particular the impact of external potential bias on the relative rates of charge carrier trapping, recombination and interfacial transfer in hematite photoanodes for water oxidation.
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Cites
Size-dependent structural transformations of hematite nanoparticles. 1. Phase transition
Chernyshova, I. V., Hochella Jr, M. F., & Madden, A. S. (2007) · Physical Chemistry Chemical Physics · doi:10.1039/b618790k · Cited by 463
Cited by
Visible-light driven heterojunction photocatalysts for water splitting – a critical review
Moniz, S. J. A., Shevlin, S. A., Martin, D. J., Guo, Z.-X., & Tang, J. (2015) · Energy & Environmental Science · doi:10.1039/c4ee03271c · Cited by 2,363
Time-resolved observations of water oxidation intermediates on a cobalt oxide nanoparticle catalyst
Zhang, M., de Respinis, M., & Frei, H. (2014) · Nature Chemistry · doi:10.1038/nchem.1874 · Cited by 855
Yang, W., Prabhakar, R. R., Tan, J., Tilley, S. D., & Moon, J. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00997j · Cited by 787
Back Electron–Hole Recombination in Hematite Photoanodes for Water Splitting
Le Formal, F., Pendlebury, S. R., Cornuz, M., Tilley, S. D., Grätzel, M., & Durrant, J. R. (2014) · Journal of the American Chemical Society · doi:10.1021/ja412058x · Cited by 494
Self-citationYe, C., Li, J.-X., Li, Z.-J., Li, X.-B., Fan, X.-B., Zhang, L.-P., Chen, B., Tung, C.-H., & Wu, L.-Z. (2015) · ACS Catalysis · doi:10.1021/acscatal.5b02185 · Cited by 490
Metadata
- Authors
- Barroso, M., Pendlebury, S. R., Cowan, A. J., & Durrant, J. R.
- Venue
- Chemical Science
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2013
- Volume
- 4
- Issue
- 7
- Pages
- 2724
- ISSN
- 2041-6520 (ISSN-L)
- 2041-6539
- OpenAlex
- W2096627216
- Cited by
- 489
- References
- 1
- FWCI
- 13.22
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Barroso, M., Pendlebury, S. R., Cowan, A. J., & Durrant, J. R. (2013). Charge carrier trapping, recombination and transfer in hematite (α-Fe2O3) water splitting photoanodes. Chemical Science. https://doi.org/10.1039/c3sc50496d
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