Synthesis of large-area, few-layer graphene on iron foil by chemical vapor deposition |
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Authors: | Yunzhou Xue Bin Wu Yunlong Guo Liping Huang Lang Jiang Jianyi Chen Dechao Geng Yunqi Liu Wenping Hu Gui Yu |
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Affiliation: | (1) Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; |
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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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Keywords: | Graphene iron foil chemical vapor deposition (CVD) method Raman spectroscopy field-effect transistor (FET) |
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