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Preparation and photoluminescence of highly ordered TiO2 nanowire arrays
Abstract
Highly ordered TiO2 nanowire (TN) arrays were prepared in anodic alumina membranes (AAMs) by a sol-gel method. The TNs are single crystalline anatase phase with uniform diameters around 60 nm. At room temperature, photoluminescence (PL) measurements of the TN arrays show a visible broadband with three peaks, which are located at about 425, 465, and 525 nm that are attributed to self-trapped excitons, F, and F+ centers, respectively. A model is also presented to explain the PL intensity drop-down of the TN arrays embedded in AAMs: the blue PL band of AAMs arises from the F+ centers on the pore walls, and the TNs first form in the center area of the pores and then extend to the pore walls.
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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
One‐Dimensional Nanostructures: Synthesis, Characterization, and Applications
Xia, Y., Yang, P., Sun, Y., Wu, Y., Mayers, B., Gates, B., Yin, Y., Kim, F., & Yan, H. (2003) · Advanced Materials · doi:10.1002/adma.200390087 · Cited by 8,559
Hydrothermal Synthesis of Graphene-TiO2 Nanotube Composites with Enhanced Photocatalytic Activity
Perera, S. D., Mariano, R. G., Vu, K., Nour, N., Seitz, O., Chabal, Y., & Balkus, K. J. (2012) · ACS Catalysis · doi:10.1021/cs200621c · Cited by 963
Vijayan, B., Dimitrijevic, N. M., Rajh, T., & Gray, K. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp104345h · Cited by 124
Amadelli, R., Samiolo, L., Borsa, M., Bellardita, M., & Palmisano, L. (2013) · Catalysis Today · doi:10.1016/j.cattod.2011.11.031 · Cited by 45
Metadata
- Authors
- Lei, Y., Zhang, L. D., Meng, G. W., Li, G. H., Zhang, X. Y., Liang, C. H., Chen, W., & Wang, S. X.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2001-02-19
- Volume
- 78
- Issue
- 8
- Pages
- 1125-1127
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2007609696
- Cited by
- 641
- References
- 1
- FWCI
- 15.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lei, Y., Zhang, L. D., Meng, G. W., Li, G. H., Zhang, X. Y., Liang, C. H., Chen, W., & Wang, S. X. (2001). Preparation and photoluminescence of highly ordered TiO2 nanowire arrays. Applied Physics Letters. https://doi.org/10.1063/1.1350959
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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.
