Method for preparing graphene and graphene surface by rubbing carbon nanotube material

The invention relates to a method for preparing graphene and a graphene surface by rubbing a carbon nanotube material, belonging to the technical field of solid film preparation techniques. The method is characterized by comprising the following steps: preparing multiwall carbon nanotubes by a discharge plasma sintering technique; by using the multiwall carbon nanotubes as the raw material, applying a certain load on ground glass, and rubbing to prepare the graphene film and graphene surface; and collecting the shedding powder after rubbing to prepare the graphene, and quickly and conveniently transferring the graphene surface film onto another substrate by a rubbing method. The technique is simple and easy to implement, has low facility request, provides a simple, effective and direct method for preparing the graphene surface, and lays foundation for application of graphene. The thickness of the prepared graphene is small, and is several nanometers or so; and the graphene surface is flat, smooth and lustrous