Synthesis of CNTs/Metal/Al2O3 Nanocomposite Powders by Chemical Vapor Deposition

C.D. Park; Hyung Jun Jeon; H.J. Wang; Yong Ho Choa; Sung Tag Oh; Kae Myung Kang; Sung Goon Kang

doi:10.4028/www.scientific.net/MSF.449-452.797

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HomeMaterials Science ForumMaterials Science Forum Vols. 449-452Synthesis of CNTs/Metal/Al2O3 Nanocomposite...

Synthesis of CNTs/Metal/Al₂O₃ Nanocomposite Powders by Chemical Vapor Deposition

Abstract:

CNTs/metal/Al₂O₃ nanocomposite powders were fabricated by thermal chemical vapor deposition (CVD) of C₂H₂ gas over metal/Al₂O₃ nanocomposite catalysts prepared by the selective reduction of oxide/Al₂O₃ powders. The yield and diameter of CNTs significantly depended on the kind of metal catalyst and catalyst size. X-ray diffraction (XRD) was used for phase identification. The morphology of CNTs was determined using field emission scanning electron microscopy (FESEM). FT-Raman spectroscopy revealed that the CNTs have single- and multi-walled carbon nanotubes structure. The relationship between the CNT yield/diameter and the characteristics of the composite catalyst was systematically investigated.

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Periodical:

Materials Science Forum (Volumes 449-452)

Pages:

797-800

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.449-452.797

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Online since:

March 2004

Authors:

C.D. Park, Hyung Jun Jeon, H.J. Wang, Yong Ho Choa, Sung Tag Oh, Kae Myung Kang, Sung Goon Kang

Keywords:

Carbon Nanotube (CN), Catalyst, Nanocomposite, Thermal CVD

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