A simple alcohol-chemical vapor deposition synthesis of single-layer graphenes using flash cooling

被引：79

作者：

Miyata, Yasumitsu ^{[1
]}

Kamon, Keiichi ^{[1
]}

Ohashi, Kazunori ^{[1
]}

Kitaura, Ryo ^{[1
]}

Yoshimura, Masamichi ^{[2
]}

Shinohara, Hisanori ^{[1
]}

机构：

[1] Nagoya Univ, Dept Chem, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[2] Toyota Technol Inst, Tempaku Ku, Nagoya, Aichi 4688511, Japan

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 26期

关键词：

chemical vapour deposition; grain size; graphene; precipitation; Raman spectra; surface diffusion; SPECTROSCOPY; FILMS;

D O I：

10.1063/1.3458797

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the synthesis of single-layer graphenes from ethanol using, what we call, "flash cooling" just after chemical vapor deposition. The single-layer graphenes synthesized are high-quality and several micrometers in grain size as revealed by Raman spectroscopy. Detailed comparison of the cooling processes suggests that the single-layer graphene growth does not occur during the carbon precipitation but rather stems from surface diffusions of carbon on a nickel substrate. Because of the present simple and easiness for the large-scale synthesis under an inert gas atmosphere and at atmospheric pressure, the present method can easily be applied for the future large-scale and low-cost graphene production. (C) 2010 American Institute of Physics. [doi:10.1063/1.3458797]

引用

页数：3

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