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  Patent

  Method of producing graphene and other carbon materials
  

  Inventor(s):

  Alexander Mukasyan, Khachatur Manukyan

  Patent Number:

  US 9580323 B2

  Description:

  The invention provides methods for the combustion synthesis (CS) of graphene by a novel exothermic self-sustained reaction between a refractory ceramic compound and a carbon-containing polymer under an inert gas atmosphere. The synthesis of graphene was confirmed by both transmission electron microscopy and Raman spectroscopy. The graphene produced has very low (<1 wt. %) oxygen content. Fluorocarbon gases released due to decomposition of the carbon-containing polymer in the combustion wav…

  Date Issued:

  2017-02-28

  Record Visibility:

  Public

  Title

  Method of producing graphene and other carbon materials

  Description

  The invention provides methods for the combustion synthesis (CS) of graphene by a novel exothermic self-sustained reaction between a refractory ceramic compound and a carbon-containing polymer under an inert gas atmosphere. The synthesis of graphene was confirmed by both transmission electron microscopy and Raman spectroscopy. The graphene produced has very low (<1 wt. %) oxygen content. Fluorocarbon gases released due to decomposition of the carbon-containing polymer in the combustion wave can reduce the ceramic to a gas and mesoporous carbon particles and graphene layers. The method does not require an external energy source because it occurs in a self-sustained synergetic manner after ignition. The methods are flexible in terms of tuning the synthesis conditions for desired products, and the method can be scaled to provide kilogram quantities.

  Creator

  Alexander Mukasyan, Khachatur Manukyan

  Publisher

  U.S. Patent and Trademark Office

  Language

  English

  Rights

  All rights reserved

  Resource Type

  Patent