Research Article

Nano Research

, Volume 4, Issue 12, pp 1208-1214

Synthesis of large-area, few-layer graphene on iron foil by chemical vapor deposition

  • Yunzhou XueAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Bin WuAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Yunlong GuoAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Liping HuangAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Lang JiangAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Jianyi ChenAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Dechao GengAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
  • , Yunqi LiuAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences Email author 
  • , Wenping HuAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
    • , Gui YuAffiliated withBeijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences

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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). http://static-content.springer.com/image/art%3A10.1007%2Fs12274-011-0171-4/MediaObjects/12274_2011_171_Fig1_HTML.gif

Keywords

Graphene iron foil chemical vapor deposition (CVD) method Raman spectroscopy field-effect transistor (FET)