The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Use of Highly-Ordered TiO2 Nanotube Arrays in Dye-Sensitized Solar Cells
Abstract
We describe the use of highly ordered transparent TiO(2) nanotube arrays in dye-sensitized solar cells (DSCs). Highly ordered nanotube arrays of 46-nm pore diameter, 17-nm wall thickness, and 360-nm length were grown perpendicular to a fluorine-doped tin oxide-coated glass substrate by anodic oxidation of a titanium thin film. After crystallization by an oxygen anneal, the nanotube arrays are treated with TiCl(4) to enhance the photogenerated current and then integrated into the DSC structure using a commercially available ruthenium-based dye. Although the negative electrode is only 360-nm-thick, under AM 1.5 illumination the generated photocurrent is 7.87 mA/cm(2), with a photocurrent efficiency of 2.9%. Voltage-decay measurements indicate that the highly ordered TiO(2) nanotube arrays, in comparison to nanoparticulate systems, have superior electron lifetimes and provide excellent pathways for electron percolation. Our results indicate that remarkable photoconversion efficiencies may be obtained, possibly to the ideal limit of approximately 31% for a single photosystem scheme, with an increase of the nanotube-array length to several micrometers.
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Citations
Cites
A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
O'Regan, B., & Grätzel, M. (1991) · Nature · doi:10.1038/353737a0 · Cited by 28,599
Cited by
Liu, B., & Aydil, E. S. (2009) · Journal of the American Chemical Society · doi:10.1021/ja8078972 · Cited by 2,381
Chatenet, M., Pollet, B. G., Dekel, D. R., Dionigi, F., Deseure, J., Millet, P., Braatz, R. D., Bazant, M. Z., Eikerling, M., Staffell, I., et al. (2022) · Chemical Society Reviews · doi:10.1039/d0cs01079k · Cited by 2,025
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-citationPorphyrins and phthalocyanines in solar photovoltaic cells
Walter, M. G., Rudine, A. B., & Wamser, C. C. (2010) · Journal of Porphyrins and Phthalocyanines · doi:10.1142/s1088424610002689 · Cited by 668
Metadata
- Authors
- Mor, G. K., Shankar, K., Paulose, M., Varghese, O. K., & Grimes, C. A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-12-31
- Volume
- 6
- Issue
- 2
- Pages
- 215-218
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2012514553
- Cited by
- 2,168
- References
- 1
- FWCI
- 53.17
- Type
- journal article
- Language
- en
- Open access
- closed
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