DOI: 10.1063/1.1350959. Preparation and photoluminescence of highly ordered TiO2 nanowire arrays

Preparation and photoluminescence of highly ordered TiO2 nanowire arrays

10.1063/1.1350959

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

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.

Authors 8

Y. Lei (first)
L. D. Zhang (additional)
G. W. Meng (additional)
G. H. Li (additional)
X. Y. Zhang (additional)
C. H. Liang (additional)
W. Chen (additional)
S. X. Wang (additional)

References 20 Referenced 593

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:14 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 2:39 p.m.)
Indexed	1 day, 10 hours ago (Aug. 27, 2025, 12:37 p.m.)
Issued	24 years, 6 months ago (Feb. 19, 2001)
Published	24 years, 6 months ago (Feb. 19, 2001)
Published Print	24 years, 6 months ago (Feb. 19, 2001)

Funders 0

None

BibTeX

@article{Lei_2001, title={Preparation and photoluminescence of highly ordered TiO2 nanowire arrays}, volume={78}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1350959}, DOI={10.1063/1.1350959}, number={8}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Lei, Y. and Zhang, L. D. and Meng, G. W. and Li, G. H. and Zhang, X. Y. and Liang, C. H. and Chen, W. and Wang, S. X.}, year={2001}, month=feb, pages={1125–1127} }

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