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Proceedings Paper

Synthesis of large-area graphene layers on nickel film by chemical vapor deposition: wrinkle formation
Author(s): Seung Jin Chae; Fethullah Günes; Ki Kang Kim; Eun Sung Kim; Gang Hee Han; Soo Min Kim; Hyeon-Jin Shin; Seon-Mi Yoon; Jae-Young Choi; Min Ho Park; Cheol Woong Yang; Didier Pribat; Young Hee Lee
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Paper Abstract

Highly crystalline few-graphene layers were synthesized on poly-nickel, Ni(111) and Ni-deposited substrates by optimizing the mixing ratio of C2H2/H2 and C2H4/H2 and growth time. The hydrogen effect was investigated to minimize defects and maintain uniformity of the synthesized few-layer graphenes. Using the optimized ratio of hydrogen and acetylene mixture, few graphene layers with large sizes of up to 4 inches in diameter were also synthesized on Ni evaporated Si substrate with different thicknesses and were transferred successfully onto PET film. We also found that the wrinkles, different from inherent ripples, were formed in the graphene layer independent of the location of the grain boundary of poly-Ni substrate and growth conditions. This was attributed to the formation of a step terrace followed by the terrace bunching to result in higher wrinkles due to the thermal mismatch existing between Ni substrate and graphene layers during thermal quenching. A sheet resistance of 233 Ω/sq was obtained at a transmittance of 65%.

Paper Details

Date Published: 18 August 2009
PDF: 11 pages
Proc. SPIE 7399, Carbon Nanotubes, Graphene, and Associated Devices II, 73990W (18 August 2009); doi: 10.1117/12.828039
Show Author Affiliations
Seung Jin Chae, Sungkyunkwan Univ. (Korea, Republic of)
Fethullah Günes, Sungkyunkwan Univ. (Korea, Republic of)
Ki Kang Kim, Sungkyunkwan Univ. (Korea, Republic of)
Eun Sung Kim, Sungkyunkwan Univ. (Korea, Republic of)
Gang Hee Han, Sungkyunkwan Univ. (Korea, Republic of)
Soo Min Kim, Sungkyunkwan Univ. (Korea, Republic of)
Hyeon-Jin Shin, Sungkyunkwan Univ. (Korea, Republic of)
Samsung Advanced Institute of Technology (Korea, Republic of)
Seon-Mi Yoon, Samsung Advanced Institute of Technology (Korea, Republic of)
Jae-Young Choi, Samsung Advanced Institute of Technology (Korea, Republic of)
Min Ho Park, Sungkyunkwan Univ. (Korea, Republic of)
Cheol Woong Yang, Sungkyunkwan Univ. (Korea, Republic of)
Didier Pribat, Lab. de Physique des Interfaces et des Couches Minces, CNRS, Ecole Polytechnique (France)
Young Hee Lee, Sungkyunkwan Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 7399:
Carbon Nanotubes, Graphene, and Associated Devices II
Manijeh Razeghi; Didier Pribat; Young-Hee Lee, Editor(s)

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