Fabrication of graphene flakes composed of multi-layer graphene sheets using a thermal plasma jet system

Nanotechnology. 2010 Mar 5;21(9):095601. doi: 10.1088/0957-4484/21/9/095601. Epub 2010 Jan 29.

Abstract

We have developed a method to fabricate graphene flakes composed of high quality multi-layer graphene sheets using a thermal plasma jet system. A carbon atomic beam was generated by injecting ethanol into Ar plasma continuously; the beam then flowed through a carbon tube attached to the anode. Graphene was made by epitaxial growth where a carbon atomic beam, having the proper energy, collided with a graphite plate. The graphene fabricated was very pure and showed a relatively good crystalline structure. We have demonstrated that the number of layers of graphene sheets could be controlled by controlling the rate of ethanol injection. Our process is a continuous process with a relatively high yield (approximately 8%).

Publication types

  • Research Support, Non-U.S. Gov't