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Catalytic growth of single- and double-walled carbon nanotubes from Fe-Mo nanoparticles supported on MgO
- Authors
- Kang, Sun-Goo; Cho, Kwon-Koo; Kim, Ki-Won; Cho, Gyu-Bong
- Issue Date
- 31-Jan-2008
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- carbon nanotubes; CVD; diameter; number of walls; SWNTs; DWNTs
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.449, no.1-2, pp 269 - 273
- Pages
- 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 449
- Number
- 1-2
- Start Page
- 269
- End Page
- 273
- ISSN
- 0925-8388
1873-4669
- Abstract
- Single-wall carbon nanotubes (SWNTs) and double-wall carbon nanotubes (DWNTs) are simultaneously synthesized at range of 800-1000 degrees C by catalytic decomposition of methane over Fe-Mo/MgO catalyst. Carbon nanotubes (CNTs) obtained in this work consisted of SWNTs bundle, isolated SWNT, and isolated DWNTs, having diameter of around 0.8-2.4 nm, 2.4 nm, and 2.4-2.8 nm, respectively. The proportion of DWNTs increases with increasing reaction temperature. The nanotubes synthesized at 800 C and 900 C composed of about 95%SWNTs/5%DWNTs and 80%SWNTs/20%DWNTs, respectively. Raman analysis indicates that the quality of CNTs decreased with increasing reaction temperature. (c) 2006 Elsevier B.V. All rights reserved.
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