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[International Journal] Large and pristine films of reduced graphene oxide
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Sung Il Ahn,Kukjoo Kim,Jura Jung and Kyung Cheol Choi
Scientific Reports , December , 2015
vol 5, no 18799, pp
A new self-assembly concept is introduced to form large and pristine films (15 cm in diameter) of reduced graphene oxide (RGO). The resulting film has different degrees of polarity on its two different sides due to the characteristic nature of the self-assembly process. The RGO film can be easily transferred from a glass substrate onto water and a polymer substrate after injection of water molecules between the RGO film and glass substrate using an electric steamer. The RGO film can also be easily patterned into various shapes with a resolution of around ±10 μm by a simple taping method, which is suitable for mass production of printed electronics at low cost.