Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Preparation of graphene [117]. (a) The graphite stripping method, in which graphene is obtained by lamellar stripping using graphite or carbon nanotubes as raw materials, and (b) the direct growth method, in which carbon sources are introduced under certain conditions to crystallize and grow graphene.
