Low Temperature Growth of Single-walled Carbon Nanotube Forest

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....

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Published inBulletin of the Korean Chemical Society Vol. 31; no. 10; pp. 2819 - 2822
Main Authors Lee, Il-Ha, Im, Ji-Woon, Kim, Un-Jeong, Bae, Eun-Ju, Kim, Kyoung-Kook, Lee, Eun-Hong, Lee, Young-Hee, Hong, Seung-Hun, Min, Yo-Sep
Format Journal Article
LanguageKorean
Published 2010
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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.
AbstractList 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.
Author Lee, Eun-Hong
Min, Yo-Sep
Bae, Eun-Ju
Kim, Kyoung-Kook
Lee, Il-Ha
Hong, Seung-Hun
Kim, Un-Jeong
Lee, Young-Hee
Im, Ji-Woon
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  fullname: Hong, Seung-Hun
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  fullname: Min, Yo-Sep
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Keywords Vertical growth
Forest
Single-walled carbon nanotube
Low temperature
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