Effects of rapid thermal annealing on the structural properties of TiO 2 nanotubes

J. Y. Lin, Y. T. Chou, J. L. Shen*, M. D. Yang, C. H. Wu, G. C. Chi, Wu-Ching Chou, C. H. Ko

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The structural properties of TiO 2 nanotubes with rapid thermal annealing (RTA) and traditional thermal annealing in O 2 were studied by X-ray diffraction (XRD) and Raman scattering measurements. From analyzing the line width of XRD and the correlation length of the Raman peak, we demonstrate that RTA can be an effective tool for amorphous-anatase transformation in TiO 2 nanotubes. The Raman peak redshifts and reduces its line width after thermal annealing and RTA, which may involves the reduction of oxygen-related defects.

Original languageEnglish
Pages (from-to)530-534
Number of pages5
JournalApplied Surface Science
Volume258
Issue number1
DOIs
StatePublished - 15 Oct 2011

Keywords

  • Nanotubes
  • Raman scattering
  • Rapid thermal annealing

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