Apparent two-dimensional behavior of TiO2 nanotubes revealed by light absorption and luminescence
Bavykin, Dimitry V., Gordeev, Sergey N., Moskalenko, Andriy V., Lapkin, Alexei A. and Walsh, Frank C. (2005) Apparent two-dimensional behavior of TiO2 nanotubes revealed by light absorption and luminescence. Journal of Physical Chemistry B, 109, (18), 8565-8569. (doi:10.1021/jp050762m).
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Description/Abstract
Optical absorption and photoluminescence (PL) properties of colloidal TiO2 nanotubes, produced by the alkali hydrothermal method, were studied at room temperature in the range 300-700 nm. Nanotubes having an internal diameter in the range 2.5-5 nm have very similar optical properties, in contrast to the expected behavior for quasi-1-D systems. This is explained by the complete thermal smearing of all 1-D effects, due to the large effective mass of charge carriers in TiO2, resulting in an apparent 2-D behavior of TiO2 nanotubes.
| Item Type: | Article |
|---|---|
| ISSNs: | 1520-6106 (print) |
| Related URLs: | |
| Subjects: | T Technology > TP Chemical technology Q Science > QD Chemistry Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences |
| Item ID: | 23576 |
| Date Deposited: | 20 Mar 2006 |
| Last Modified: | 02 Mar 2012 11:26 |
| Contributors: | Bavykin, Dimitry V. (Author) Gordeev, Sergey N. (Author) Moskalenko, Andriy V. (Author) Lapkin, Alexei A. (Author) Walsh, Frank C. (Author) |
| Date: | 12 May 2005 |
| Status: | Published |
| Contact Email Address: | F.C.Walsh@soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/23576 |
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