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Direct synthesis and strong cathodoluminescence of Al2O3 nanotubes

Li, Chunlei, Jiang, Yuwen, Yang, Shaoguang, Zheng, Rongkun, Yang, Wenrong, Liu, Zongwen and Ringer, Simon P. 2010, Direct synthesis and strong cathodoluminescence of Al2O3 nanotubes, Materials chemistry and physics, vol. 120, no. 2-3, pp. 240-243.

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Title Direct synthesis and strong cathodoluminescence of Al2O3 nanotubes
Formatted title Direct synthesis and strong cathodoluminescence of Al2O3 nanotubes
Author(s) Li, Chunlei
Jiang, Yuwen
Yang, Shaoguang
Zheng, Rongkun
Yang, Wenrong
Liu, Zongwen
Ringer, Simon P.
Journal name Materials chemistry and physics
Volume number 120
Issue number 2-3
Start page 240
End page 243
Publisher Elsevier B.V.
Place of publication Amsterdam, The Netherlands
Publication date 2010-04-15
ISSN 0254-0584
Keyword(s) nanostructures
physical vapor deposition
defects
x-ray diffraction
Summary α-Al2O3 nanotubes were synthesized in bulk quantity by using simple physical evaporation of pure aluminum powders at 1000 °C. Field emission scanning electron microscopy and transmission electron microscopy observations show that the nanotubes have diameters smaller than 100 nm and lengths up to several microns. Cathodoluminescence measurements revealed a strong luminescence band in the wavelength range of 280–380 nm centered at 330 nm, which could be attributed to the oxygen vacancies in the α-Al2O3 nanotubes. Sacrificial template model is regarded as the possible formation mechanism of the nanotubes.
Language eng
Field of Research 100703 Nanobiotechnology
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2009, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30035062

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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