Abstract
The growth of bamboo-like multiwalled carbon nanotubes (MWCNTs) over Cu/Al2O3 catalyst by chemical vapor deposition under atmospheric pressure using ethanol as the carbon source has been demonstrated. The obtained MWCNTs are dominant with bamboo-like morphology. The morphologies, graphitization degree, and microstructures of the products were characterized by transmission electron microscopy, X-ray diffraction, Raman spectroscopy, field emission scanning electron microscopy, high-resolution transmission electron microscopy, and selected area electron diffraction. The results show that the combination of Cu/Al2O3 catalyst and ethanol was critical for the growth of bamboo-like MWCNTs. The possible factors causing the formation of bamboo-like structures were also discussed.
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Acknowledgements
This study was supported by the Opening Foundation of Zhejing Provincial Top Key Discipline, the Zhejiang Provincial Natural Science Foundation of China (Y405131), Scientific Research Foundation for Returned Oversea Chinese Scholar of State Education Ministry (G50621), and Scientific Research Foundation for the Doctoral Degree Program of Higher Education of China (20070335156).
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Xue, B., Liu, R., Huang, WZ. et al. Growth and characterization of bamboo-like multiwalled carbon nanotubes over Cu/Al2O3 catalyst. J Mater Sci 44, 4040–4046 (2009). https://doi.org/10.1007/s10853-009-3564-y
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DOI: https://doi.org/10.1007/s10853-009-3564-y