Method for preparing few-layer graphene and few-layer graphene film

Method for preparing few-layer graphene and few-layer graphene film

  • CN 102,781,831 B
  • Filed: 12/06/2010
  • Issued: 05/20/2015
  • Est. Priority Date: 12/04/2009
  • Status: Active Grant
First Claim
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1. prepare the method for few layer graphite, described method comprises:

  • (1) two carbon dioxide process carbon electrodes are set to negative electrode and anode;

    And(2) under the mixed-gas atmosphere comprising rare gas element and carbon is had to certain reactive gas, applied to the two poles of the earth suitable voltage for some time,Wherein sparking voltage is 15-40V, and electric current is 100-150A;

    AndIt is described that to have certain reactive gas to carbon be carbonic acid gas.

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