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Graphene fabrication. (a) Graphene grown by using chemical vapor deposition (CVD) method. (b) Pictures of graphene samples fabricated by using CVD method. (c) Graphene reduced from graphene oxide (GO) in liquid. (d) Picture of GO and reduced GO (rGO) dispersions, and the deposited reduced GO film on silicon substrate. Pictures in (b) are reproduced from Refs. [71,72].
