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Synthesis of CNTs/Metal/Al2O3 nanocomposite powders by chemical vapor deposition
- Authors
- Park, Chang-Dae; Jeon, Hoon Jae; Wang, HJ; Choa, Yongho; Oh, Sungtag; Kang, Kae-myung; Kang, Sunggoon
- Issue Date
- May-2004
- Publisher
- Trans Tech Publications Ltd.
- Keywords
- catalyst; nanocomposites; carbon nanotubes; thermal CVD
- Citation
- Materials Science Forum, v.449-4, pp 797 - 800
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials Science Forum
- Volume
- 449-4
- Start Page
- 797
- End Page
- 800
- ISSN
- 0255-5476
1662-9752
- 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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Related Researcher
- CHOA, YONG HO
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)