Journal
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
Volume 19, Issue 6, Pages 1059-1064Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532008000600002
Keywords
oxides; chemical synthesis; crystal structure; photoluminescent
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Funding
- Natural Science Foundation of Hunan Province, P. R. China [02JJY3044]
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An array of vertically aligned titanium oxide nanotubes was successfully grown on the surface of a titanium substrate by the anodization technique. The nanotubes were characterized by scanning electron microscopy (SEM), powder X-ray diffractometry (XRD), Raman spectroscopy and photoluminescence spectroscopy (PL). The results indicate that the size of the titanium oxide nanotube is greatly dependent on the applied voltage, and its photoluminescence properties are strongly influenced by the crystal structure. In addition, it is shown that quantum size effects are present in the optical properties of TiO(2) nanotubes.
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