Figure 1: Scheme for the synthesis of CNT carpets directly from graphene.
From: A seamless three-dimensional carbon nanotube graphene hybrid material
(a) Copper foil substrate. (b) Graphene is formed on the copper foil by chemical vapour deposition (CVD) or solid carbon-source growth. (c) Iron and alumina are deposited on the graphene-covered copper foil by using e-beam evaporation. (d) A CNT carpet is directly grown from graphene surface. The iron catalyst and alumina protective layer are lifted up by the CNT carpet as it grows.
