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Photoelectrochemical Hydrogen Evolution Using Si Microwire Arrays
Open accessAbstract
Arrays of B-doped p-Si microwires, diffusion-doped with P to form a radial n(+) emitter and subsequently coated with a 1.5-nm-thick discontinuous film of evaporated Pt, were used as photocathodes for H(2) evolution from water. These electrodes yielded thermodynamically based energy-conversion efficiencies >5% under 1 sun solar simulation, despite absorbing less than 50% of the above-band-gap incident photons. Analogous p-Si wire-array electrodes yielded efficiencies <0.2%, largely limited by the low photovoltage generated at the p-Si/H(2)O junction.
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Citations
Cited by
Kong, D., Wang, H., Lu, Z., & Cui, Y. (2014) · Journal of the American Chemical Society · doi:10.1021/ja501497n · Cited by 1,392
Laursen, A. B., Kegnæs, S., Dahl, S., & Chorkendorff, I. (2012) · Energy & Environmental Science · doi:10.1039/c2ee02618j · Cited by 1,348
Chen, Z., Cummins, D., Reinecke, B. N., Clark, E., Sunkara, M. K., & Jaramillo, T. F. (2011) · Nano Letters · doi:10.1021/nl2020476 · Cited by 1,153
Earth-abundant hydrogen evolution electrocatalysts
McKone, J. R., Marinescu, S. C., Brunschwig, B. S., Winkler, J. R., & Gray, H. B. (2014) · Chem. Sci. · doi:10.1039/c3sc51711j · Cited by 727
Self-citationMoSe 2 and WSe 2 Nanofilms with Vertically Aligned Molecular Layers on Curved and Rough Surfaces
Wang, H., Kong, D., Johanes, P., Cha, J. J., Zheng, G., Yan, K., Liu, N., & Cui, Y. (2013) · Nano Letters · doi:10.1021/nl401944f · Cited by 693
Metadata
- Authors
- Boettcher, S. W., Warren, E. L., Putnam, M. C., Santori, E. A., Turner-Evans, D., Kelzenberg, M. D., Walter, M. G., McKone, J. R., Brunschwig, B. S., Atwater, H. A., & Lewis, N. S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-01-07
- Volume
- 133
- Issue
- 5
- Pages
- 1216-1219
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2066655134
- Cited by
- 610
- References
- 0
- FWCI
- 24.69
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Boettcher, S. W., Warren, E. L., Putnam, M. C., Santori, E. A., Turner-Evans, D., Kelzenberg, M. D., Walter, M. G., McKone, J. R., Brunschwig, B. S., Atwater, H. A., & Lewis, N. S. (2011). Photoelectrochemical Hydrogen Evolution Using Si Microwire Arrays. Journal of the American Chemical Society. https://doi.org/10.1021/ja108801m
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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