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http://dx.doi.org/10.5012/bkcs.2010.31.10.2819

Low Temperature Growth of Single-walled Carbon Nanotube Forest  

Lee, Il-Ha (Department of Energy Science, BK21 Physics Division, Sungkyunkwan Advanced Institute of Nanotechnology, Center for Nanotubes and Nanostructured Composites, Sungkyunkwan University)
Im, Ji-Woon (School of Physics & Astronomy, Seoul National University)
Kim, Un-Jeong (Samsung Advanced Institute of Technology)
Bae, Eun-Ju (Samsung Advanced Institute of Technology)
Kim, Kyoung-Kook (Department of Nano-Optical Engineering, Korea Polytechnic University)
Lee, Eun-Hong (Samsung Advanced Institute of Technology)
Lee, Young-Hee (Department of Energy Science, BK21 Physics Division, Sungkyunkwan Advanced Institute of Nanotechnology, Center for Nanotubes and Nanostructured Composites, Sungkyunkwan University)
Hong, Seung-Hun (School of Physics & Astronomy, Seoul National University)
Min, Yo-Sep (Department of Chemical Engineering, Konkuk University)
Publication Information
Bulletin of the Korean Chemical Society / v.31, no.10, 2010 , pp. 2819-2822 More about this Journal
Abstract
Forest of single-walled carbon nanotubes (SWNTs) was grown at $450^{\circ}C$ by water-plasma chemical vapor deposition using ultrathin iron on alumina supporting film. The growth rate of the SWNT forest is ${\sim}0.9\;{\mu}m/min$, and the diameters of nanotubes are mainly in a range of 3.0 ~ 3.5 nm. The low intensity ratio of D- to G-band ($I_D/I_G$ ~ 0.098) in Raman spectra indicates that our SWNT forest grown at $450^{\circ}C$ is fairly pure and crystalline. This low temperature growth of SWNT forest may enable variable applications requiring the vertically-aligned nanotubes to obtain large surface area.
Keywords
Single-walled carbon nanotube; Low temperature; Vertical growth; Forest;
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