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Growth and spectral analysis of ZnO nanotubes

J. Appl. Phys. 103, 094303 (2008); doi:10.1063/1.2908189

Published 1 May 2008

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C. X. Xu,1 G. P. Zhu,1 X. Li,1 Y. Yang,2 S. T. Tan,2 X. W. Sun,2 C. Lincoln,3 and T. A. Smith3
1Advanced Photonics Center, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, People's Republic of China
2School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore
3School of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
ZnO nanotubes were fabricated by vapor-phase transport using the mixture of ZnO and graphite powders in air. A self-catalyzed growth mechanism was proposed based on microstructure analysis by scanning electron microscopy, transmission electron microscopy, and x-ray diffraction. Raman scattering, integrated photoluminescence, and time-resolved photoluminescence were employed to explore the optical properties and the dynamic process. Combing with crystal structure and the spectral characteristics of the ZnO nanotubes, the charge carrier transport process was discussed. ©2008 American Institute of Physics
History: Received 23 December 2007; accepted 18 February 2008; published 1 May 2008
Permalink: http://link.aip.org/link/?JAPIAU/103/094303/1
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KEYWORDS and PACS

Keywords
PACS
  • 61.46.Fg
    Structure of nanotubes
  • 78.55.Et
    Photoluminescence in II-VI semiconductors
  • 78.67.Ch
    Optical properties of nanotubes
  • 81.16.-c
    Methods of nanofabrication and processing
  • 78.30.Fs
    Infrared and Raman spectra in III-V and II-VI semiconductors
  • 73.63.Fg
    Nanotubes (electronic transport)
  • YEAR: 2008

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ISSN:
0021-8979 (print)   1089-7550 (online)
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