Fig. 1. Graphene is a 2D building block for carbon-based materials. It can be wrapped up into 0D buckyballs, rolled into 1D nanotubes, or stacked into 3D graphite. Figure reproduced with permission from Nature Mater., 6, 184 (2007).

Fig. 1. Graphene is a 2D building block for carbon-based materials. It can be wrapped up into 0D buckyballs, rolled into 1D nanotubes, or stacked into 3D
graphite. Figure reproduced with permission from Nature Mater., 6, 184 (2007).