Jonathan K. Wassei, Matthew Mecklenburg, Jaime A. Torres, Jesse D. Fowler, B. C. Regan, Richard B. Kaner and Bruce H. Weiller Chemical Vapor Deposition of Graphene on Copper from Methane, Ethane and Propane: Evidence for Bilayer Selectivity Small 8
To study the effects of hydrocarbon precursor gases, graphene is grown using chemical vapor deposition from methane, ethane, and propane on copper foils. The larger molecules are found to more readily produce multilayer graphene, owing to a higher carbon concentration and different decomposition processes. Additionally, single- and bilayer graphene can be grown with good selectivity in a simple, one-step process by varying the pressure of ethane.
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