Abstract
In this paper, we report on the obtention of highly ordered VO2 nanotube arrays synthesized by the simple sol–gel template method. Techniques of transmission electron microscopy, X-ray powder diffraction, X-ray photoelectron spectroscopy, Raman spectroscopy were used to characterize the morphology and structure of the as-synthesized nanotube arrays. It is found that the size of the as-obtained nanotubes has the dimension of 180–220 nm in outer diameter, 110–140 nm in inner diameter and up to 10 μm in length. The results show that as-synthesized sample is assigned to VO2 (B) phase in expected V/O ratio with V existing in the +4 oxidation state.
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Acknowledgments
This work was supported by grants from the National Science Foundation of Guangdong Province (9451007006004079), Science and Technology Plan of Guangdong Province (2009B010900047) and the National High Technology Research and Development Program of China (Contract No. 2007AA03Z326).
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Huang, C., Chen, L., Xu, G. et al. Sol–gel template synthesis and characterization of VO2 nanotube arrays. J Sol-Gel Sci Technol 63, 103–107 (2012). https://doi.org/10.1007/s10971-012-2769-8
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DOI: https://doi.org/10.1007/s10971-012-2769-8