Synthesis of CNTs/Metal/Al2O3 Nanocomposite Powders by Chemical Vapor Deposition
- Title
- Synthesis of CNTs/Metal/Al2O3 Nanocomposite Powders by Chemical Vapor Deposition
- Author
- 좌용호
- Keywords
- Carbon Nanotube (CN); Catalyst; Nanocomposite; Thermal CVD
- Issue Date
- 2004-03
- Publisher
- TRANS TECH PUBLICATIONS LTD
- Citation
- MATERIALS SCIENCE FORUM, v. 449-452, Page. 797-800
- 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.
- URI
- https://repository.hanyang.ac.kr/handle/20.500.11754/136797https://www.scientific.net/MSF.449-452.797
- ISSN
- 0255-5476; 1662-9760; 1662-9752
- DOI
- 10.4028/www.scientific.net/MSF.449-452.797
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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