Graphene is a carbon material that presents special properties. Usually, graphene is obtained by chemical or thermal reduction of graphene oxide. The graphene grown by chemical vapor deposition on metal foam substrates lead to obtaining of graphene structures with ultralow density, high surface area, high mechanical strength, electrical conductivity, and optical transparency, suitable for different applications. In this paper, we synthesized graphene by using nickel and copper foams as substrate in a CVD process with methane as carbon source. Different deposition times were used. The graphene grown on metal foams were investigated by SEM, XRD and Raman spectroscopy in order to make a comparative study.

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