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Enhanced Photoelectrochemical Hydrogen Production from Silicon Nanowire Array Photocathode
Abstract
Herein we report that silicon nanowires (SiNWs) fabricated via metal-catalyzed electroless etching yielded a photoelectrochemical hydrogen generation performance superior to that of a planar Si, which is attributed to a lower kinetic overpotential due to a higher surface roughness, favorable shift in the flat-band potential, and light-trapping effects of the SiNW surface. The SiNW photocathode yielded a photovoltage of 0.42 V, one of the highest values ever reported for hydrogen generation on p-type Si/electrolyte interfaces.
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Cites
Enhanced thermoelectric performance of rough silicon nanowires
Hochbaum, A. I., Chen, R., Delgado, R. D., Liang, W., Garnett, E. C., Najarian, M., Majumdar, A., & Yang, P. (2008) · Nature · doi:10.1038/nature06381 · Cited by 4,109
Cited by
Superaerophobic hydrogels for enhanced electrochemical and photoelectrochemical hydrogen production
Jeon, D., Park, J., Shin, C., Kim, H., Jang, J.-W., Lee, D. W., & Ryu, J. (2020) · Science Advances · doi:10.1126/sciadv.aaz3944 · Cited by 141
Heterogeneous reduction of carbon dioxide by hydride-terminated silicon nanocrystals
Sun, W., Qian, C., He, L., Ghuman, K. K., Wong, A. P. Y., Jia, J., Ali, F. M., O’Brien, P. G., Reyes, L. M., Wood, T. E., et al. (2016) · Nature Communications · doi:10.1038/ncomms12553 · Cited by 113
Bao, X.-Q., Petrovykh, D. Y., Alpuim, P., Stroppa, D. G., Guldris, N., Fonseca, H., Costa, M., Gaspar, J., Jin, C., & Liu, L. (2015) · Nano Energy · doi:10.1016/j.nanoen.2015.06.014 · Cited by 96
Metadata
- Authors
- Oh, I., Kye, J., & Hwang, S.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-12-13
- Volume
- 12
- Issue
- 1
- Pages
- 298-302
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1980594769
- Cited by
- 334
- References
- 1
- FWCI
- 10.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- Oh, I., Kye, J., & Hwang, S. (2012). Enhanced Photoelectrochemical Hydrogen Production from Silicon Nanowire Array Photocathode. Nano Letters. https://doi.org/10.1021/nl203564s
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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.
