The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Novel Carbon-Doped TiO2 Nanotube Arrays with High Aspect Ratios for Efficient Solar Water Splitting
Abstract
The photocatalytic splitting of water into hydrogen and oxygen using solar light is a potentially clean and renewable source for hydrogen fuel.(1,2) There has been extensive investigation into metal-oxide semiconductors such as TiO(2), WO(3), and Fe(2)O(3), which can be used as photoanodes in thin-film form.(3-5) Of the materials being developed for photoanodes, TiO(2) remains one of the most promising because of its low cost, chemical inertness, and photostability.(6) However, the widespread technological use of TiO(2) is hindered by its low utilization of solar energy in the visible region. In this study, we report the preparation of vertically grown carbon-doped TiO(2) (TiO(2-x)C(x)) nanotube arrays with high aspect ratios for maximizing the photocleavage of water under white-light irradiation. The synthesized TiO(2-x)C(x) nanotube arrays showed much higher photocurrent densities and more efficient water splitting under visible-light illumination (> 420 nm) than pure TiO(2) nanotube arrays. The total photocurrent was more than 20 times higher than that with a P-25 nanoparticulate film under white-light illumination.
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Citations
Cites
Electrochemical Photolysis of Water at a Semiconductor Electrode
FUJISHIMA, A., & HONDA, K. (1972) · Nature · doi:10.1038/238037a0 · Cited by 34,169
Cited by
Walter, M. G., Warren, E. L., McKone, J. R., Boettcher, S. W., Mi, Q., Santori, E. A., & Lewis, N. S. (2010) · Chemical Reviews · doi:10.1021/cr1002326 · Cited by 9,388
Semiconductor-based Photocatalytic Hydrogen Generation
Chen, X., Shen, S., Guo, L., & Mao, S. S. (2010) · Chemical Reviews · doi:10.1021/cr1001645 · Cited by 7,876
Graphene-based semiconductor photocatalysts
Xiang, Q., Yu, J., & Jaroniec, M. (2012) · Chem. Soc. Rev. · doi:10.1039/c1cs15172j · Cited by 2,730
Xiang, Q., Yu, J., & Jaroniec, M. (2012) · Journal of the American Chemical Society · doi:10.1021/ja302846n · Cited by 2,360
A review of TiO2 nanoparticles
Gupta, S. M., & Tripathi, M. (2011) · Chinese Science Bulletin · doi:10.1007/s11434-011-4476-1 · Cited by 1,270
Metadata
- Authors
- Park, J. H., Kim, S., & Bard, A. J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-12-10
- Volume
- 6
- Issue
- 1
- Pages
- 24-28
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2089843945
- Cited by
- 1,705
- References
- 1
- FWCI
- 32.84
- Type
- journal article
- Language
- en
- Open access
- closed
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