期刊
MATERIALS LETTERS
卷 61, 期 18, 页码 3916-3919出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2006.12.057
关键词
nanomaterials; deoiled asphalt; chemical vapour deposition
High purity and uniform carbon nanotubes with about 35 nm in diameter were produced by pyrolysis of deoiled asphalt in the presence of ferrocene in an atmosphere of hydrogen and argon at 1000 degrees C. Characterization of carbon nanotubes was carried out by field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), X-ray energy dispersive spectroscopy (EDS), Raman spectroscopy and X-ray diffraction (XRD). The carbon nanotubes were highly graphitized with amorphous carbons covering the outside wall. The influence of temperature on the preparation of carbon nanotubes was also discussed. (c) 2006 Elsevier B.V. All rights reserved.
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