The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Photocatalytic generation of hydrogen by core-shell WO3/BiVO4 nanorods with ultimate water splitting efficiency
Open accessAbstract
Efficient photocatalytic water splitting requires effective generation, separation and transfer of photo-induced charge carriers that can hardly be achieved simultaneously in a single material. Here we show that the effectiveness of each process can be separately maximized in a nanostructured heterojunction with extremely thin absorber layer. We demonstrate this concept on WO 3/BiVO 4+CoPi core-shell nanostructured photoanode that achieves near theoretical water splitting efficiency. BiVO 4 is characterized by a high recombination rate of photogenerated carriers that have much shorter diffusion length than the thickness required for sufficient light absorption. This issue can be resolved by the combination of BiVO 4 with more conductive WO 3 nanorods in a form of core-shell heterojunction, where the BiVO 4 absorber layer is thinner than the carrier diffusion length while it’s optical thickness is reestablished by light trapping in high aspect ratio nanostructures. Our photoanode demonstrates ultimate water splitting photocurrent of 6.72 mA cm−2 under 1 sun illumination at 1.23 V RHE that corresponds to ~90% of the theoretically possible value for BiVO 4. We also demonstrate a self-biased operation of the photoanode in tandem with a double-junction GaAs/InGaAsP photovoltaic cell with stable water splitting photocurrent of 6.56 mA cm−2 that corresponds to the solar to hydrogen generation efficiency of 8.1%.
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Cites
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Cited by
Wang, Q., Hisatomi, T., Jia, Q., Tokudome, H., Zhong, M., Wang, C., Pan, Z., Takata, T., Nakabayashi, M., Shibata, N., et al. (2016) · Nature Materials · doi:10.1038/nmat4589 · Cited by 1,684
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
Solar-Driven Hydrogen Production: Recent Advances, Challenges, and Future Perspectives
Song, H., Luo, S., Huang, H., Deng, B., & Ye, J. (2022) · ACS Energy Letters · doi:10.1021/acsenergylett.1c02591 · Cited by 885
Crystal Facet Engineering of Photoelectrodes for Photoelectrochemical Water Splitting
Wang, S., Liu, G., & Wang, L. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00584 · Cited by 847
Photocatalytic Water Splitting—The Untamed Dream: A Review of Recent Advances
Jafari, T., Moharreri, E., Amin, A., Miao, R., Song, W., & Suib, S. (2016) · Molecules · doi:10.3390/molecules21070900 · Cited by 621
Metadata
- Authors
- Pihosh, Y., Turkevych, I., Mawatari, K., Uemura, J., Kazoe, Y., Kosar, S., Makita, K., Sugaya, T., Matsui, T., Fujita, D., Tosa, M., Kondo, M., & Kitamori, T.
- Venue
- Scientific Reports
- Published
- 2015-06-08
- Volume
- 5
- Issue
- 1
- Pages
- 11141-11141
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W572223135
- Cited by
- 576
- References
- 34
- FWCI
- 18.18
- Type
- journal article
- Language
- en
- Open access
- gold
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- Pihosh, Y., Turkevych, I., Mawatari, K., Uemura, J., Kazoe, Y., Kosar, S., Makita, K., Sugaya, T., Matsui, T., Fujita, D., Tosa, M., Kondo, M., & Kitamori, T. (2015). Photocatalytic generation of hydrogen by core-shell WO3/BiVO4 nanorods with ultimate water splitting efficiency. Scientific Reports. https://doi.org/10.1038/srep11141
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