Graphene Growth from Spin-Coated Polymers without a Gas
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概要
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We grew graphene films on polycrystalline metal substrates using spin-coated polystyrene or polyaniline films as a carbon source by heating the films in an Ar atmosphere or in a vacuum. In an Ar atmosphere of 6.7\times 10^{4} Pa, precise control of the initial polymer film thickness is crucial for few-layer graphene growth. In a vacuum, few-layer graphene films were obtained regardless of the initial polymer film thickness, because excess carbon atoms are removed from the surface when the polymer is thermally decomposed. This latter method does not require any gas and is thus a very simple and easy way to grow few-layer graphene.
- 2012-06-25
著者
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Hibino Hiroki
Ntt Basic Research Laboratories
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FURUKAWA Kazuaki
NTT Basic Research Laboratories
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Tanabe Shinichi
Ntt Basic Research Laboratories Nippon Telegraph And Telephone Corporation
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Takei Yusuke
Ntt Basic Research Laboratories Ntt Corporation
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Hibino Hiroki
NTT Basic Research laboratories, NTT Corporation, Atsugi, Kanagawa 243-0198, Japan
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Suzuki Satoru
NTT Basic Research Laboratories
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Webber Gregory
NTT Basic Research Laboratories, NTT Corporation, Atsugi, Kanagawa 243-0198, Japan
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Suzuki Satoru
NTT Basic Research Laboratories, NTT Corporation, Atsugi, Kanagawa 243-0198, Japan
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