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열 CVD법에 의한 CNTs/Metal/Al2O3 나노복합분말의 합성 및 특성Synthesis and Characterization of CNTs/Metal/Al2O3 NanocompositePowders by Thermal CVD
- Other Titles
- Synthesis and Characterization of CNTs/Metal/Al2O3 NanocompositePowders by Thermal CVD
- Issue Date
- Apr-2005
- Publisher
- 한국분말야금학회
- Keywords
- Carbon nanotubes; Thermal CVD; Nanocomposite powders; Microstructure
- Citation
- 한국분말야금학회지, v.12, no.2, pp 146 - 150
- Pages
- 5
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 12
- Number
- 2
- Start Page
- 146
- End Page
- 150
- ISSN
- 1225-7591
2287-8173
- Abstract
- An optimum route to synthesize Al2O3-based composite powders with homogeneous dispersion of carbon nanotubes (CNTs) was investigated. CNTs/Metal/Al2O3 nanocomposite powders were fabricated by thermal chemical vapor deposition of C2H2 gas over metal/Al2O3 nanocomposite catalyst prepared by selective reduction of metal oxide/Al2O3 powders. The FT-Raman spectroscopy analysis revealed that the CNTs have single- and multi-walled structure. The CNTs with the diameter of 25-43 nm were homogeneously distributed in the metal/ Al2O3 powders, and their characteristics were strongly affected by a kind of metal catalyst and catalyst size. The experimental results show that the composite powder with required size and dispersion of CNTs can be realized by control of synthesis condition.
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Related Researcher
- CHOA, YONG HO
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)