TITLE

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

AUTHOR(S)
Miyata, Yasumitsu; Kamon, Keiichi; Ohashi, Kazunori; Kitaura, Ryo; Yoshimura, Masamichi; Shinohara, Hisanori
PUB. DATE
June 2010
SOURCE
Applied Physics Letters;6/28/2010, Vol. 96 Issue 26, p263105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
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.
ACCESSION #
51975716

 

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