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Osaka Gas halves cost of making graphene

OSAKA -- Osaka Gas has found a way to produce graphene, a layer of carbon just one atom thick, at half the cost of conventional methods in a development that could lead to lighter automobiles and smaller smartphones.

     The Japanese gas company developed technology for making graphene from high-purity graphite. The technique involves a high-speed collision of graphite with a mixture of such substances as coal-based fluorene and water.

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