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Single-Walled Carbon Nanotube Growth using Al2Ox Buffer Layer at Low Temperature by Alcohol Gas Source Method

  • Kuninori Sato (a1), Takahiro Maruyama (a2) and Shigeya Naritsuka (a3)

Abstract

Aluminum oxide (Al2Ox) buffer layers were employed to grow single-walled carbon nanotubes (SWNTs) at 400°C using an alcohol gas source and a Co catalyst. By optimizing the thickness of the aluminum oxide layer, the SWNT yield was enhanced by a factor of several times. In addition, SWNT growth at 350°C was realized on the Al2Ox buffer layer by this method. Raman measurements at various excitation wavelengths suggest that a Al2Ox buffer layer preferentially enhances the growth of SWNTs with larger diameters (>1 nm).

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Single-Walled Carbon Nanotube Growth using Al2Ox Buffer Layer at Low Temperature by Alcohol Gas Source Method

  • Kuninori Sato (a1), Takahiro Maruyama (a2) and Shigeya Naritsuka (a3)

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