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Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length
Abstract
Described is the fabrication of self-aligned highly ordered TiO(2) nanotube arrays by potentiostatic anodization of Ti foil having lengths up to 134 mum, representing well over an order of magnitude increase in length thus far reported. We have achieved the very long nanotube arrays in fluoride ion containing baths in combination with a variety of nonaqueous organic polar electrolytes including dimethyl sulfoxide, formamide, ethylene glycol, and N-methylformamide. Depending on the anodization voltage, pore diameters of the resulting nanotube arrays range from 20 to 150 nm. Our longest nanotube arrays yield a roughness factor of 4750 and length-to-width (outer diameter) aspect ratio of approximately 835. The as-prepared nanotubes are amorphous but crystallize with annealing at elevated temperatures. In initial measurements, 45 mum long nanotube-array samples, 550 degrees C annealed, under UV illumination show a remarkable water photoelectrolysis photoconversion efficiency of 16.25%.
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Citations
Cited by
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
TiO2 photocatalysis: Design and applications
Nakata, K., & Fujishima, A. (2012) · Journal of Photochemistry and Photobiology C: Photochemistry Reviews · doi:10.1016/j.jphotochemrev.2012.06.001 · Cited by 3,651
Kongkanand, A., Tvrdy, K., Takechi, K., Kuno, M., & Kamat, P. V. (2008) · Journal of the American Chemical Society · doi:10.1021/ja0782706 · Cited by 1,644
Shankar, K., Mor, G. K., Prakasam, H. E., Yoriya, S., Paulose, M., Varghese, O. K., & Grimes, C. A. (2007) · Nanotechnology · doi:10.1088/0957-4484/18/6/065707 · Cited by 721
Self-citationLim, J., Yang, Y., & Hoffmann, M. R. (2019) · Environmental Science & Technology · doi:10.1021/acs.est.9b01449 · Cited by 404
Metadata
- Authors
- Paulose, M., Shankar, K., Yoriya, S., Prakasam, H. E., Varghese, O. K., Mor, G. K., Latempa, T. A., Fitzgerald, A., & Grimes, C. A.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-07-28
- Volume
- 110
- Issue
- 33
- Pages
- 16179-16184
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2031927309
- Cited by
- 868
- References
- 0
- FWCI
- 39.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length. https://app.cochat.ai/papers/10.1021/jp064020k
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- Paulose, M., Shankar, K., Yoriya, S., Prakasam, H. E., Varghese, O. K., Mor, G. K., Latempa, T. A., Fitzgerald, A., & Grimes, C. A. (2006). Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp064020k
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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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