Pierre Trinsoutrot, Caroline Rabot, Hugues Vergnes, Alexandru Delamoreanu, Aziz Zenasni and Brigitte Caussat The Role of the Gas Phase in Graphene Formation by CVD on Copper Chemical Vapor Deposition 20
Graphene synthesis by CVD on copper foils is experimentally studied at 1000°C under various methane partial pressures. A decrease in the carbon supply enables the formation of larger graphene flakes with fewer layers and fewer crystalline defects. The influence of copper foil confinement is shown on graphene nucleation and growth. To obtain a better understanding of the phenomenon occurring in the gas phase, methane pyrolysis is simulated using the Fluent Ansys® code.
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