Research Article


2011, 4(12): 1208–1214


Synthesis of Large-Area, Few-Layer Graphene on Iron Foil by Chemical Vapor Deposition

Yunzhou Xue, Bin Wu, Yunlong Guo, Liping Huang, Lang Jiang, Jianyi Chen, Dechao Geng, Yunqi Liu1(), Wenping Hu, and Gui Yu

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Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Keywords: KEYWORDS Graphene, iron foil, chemical vapor deposition (CVD) method, Raman spectroscopy, field-effect transistor (FET)
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ABSTRACT We demonstrate a simple and controllable way to synthesize large-area, few-layer graphene on iron substrates by an optimized chemical vapor deposition (CVD) method using a mixture of methane and hydrogen. Based on an analysis of the Fe–C phase diagram, a suitable procedure for the successful synthesis of graphene on Fe surfaces was designed. An appropriate temperature and cooling process were found to be very important in the synthesis of highly crystalline few-layer graphene. Graphene-based field-effect transistor (FET) devices were fabricated using the resulting few-layer graphene, and showed good quality with extracted mobilities of 300–1150 cm2/(V·s).
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Synthesis of Large-Area, Few-Layer Graphene on Iron Foil by Chemical Vapor Deposition. Nano Res. 2011, 4(12): 1208–1214

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