Synthesis of Large-Area Graphene Layers on Poly-Nickel Substrate by Chemical Vapor Deposition: Wrinkle Formation

Large‐area, few‐layer graphene is grown on a poly‐nickel substrate using optimized CVD conditions. High temperature, short growth time, and an optimal gas mixing ratio (C2H2/H2 = 2/45) are found to be necessary to synthesize highly crystalline few‐layer grapheme, which may find applications in elect...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2009-06, Vol.21 (22), p.2328-2333
Main Authors: Chae, Seung Jin, Güneş, Fethullah, Kim, Ki Kang, Kim, Eun Sung, Han, Gang Hee, Kim, Soo Min, Shin, Hyeon-Jin, Yoon, Seon-Mi, Choi, Jae-Young, Park, Min Ho, Yang, Cheol Woong, Pribat, Didier, Lee, Young Hee
Format: Article
Language:English
Subjects:
Carbon
Chemical vapor deposition
Graphene
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Summary:Large‐area, few‐layer graphene is grown on a poly‐nickel substrate using optimized CVD conditions. High temperature, short growth time, and an optimal gas mixing ratio (C2H2/H2 = 2/45) are found to be necessary to synthesize highly crystalline few‐layer grapheme, which may find applications in electronic devices. The wrinkles that are observed under all growth conditions are proposed to be formed by two processes.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200803016