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Roll-to-roll continuous patterning and transfer of graphene via dispersive adhesion

Cited 20 time in Web of Science Cited 20 time in Scopus
Authors
Choi, Taejun; Kim, Sang Jin; Park, Subeom; Hwang, Taek Yong; Jeon, Youngro; Hong, Byung Hee
Issue Date
2015-04
Citation
Nanoscale, Vol.7 No.16, pp.7138-7142
Abstract
We present a roll-to-roll, continuous patterning and transfer of graphene sheets capable of residue-free and fast patterning. The graphene sheet is supported with dispersive adhesion. Graphene is continuously patterned by the difference in adhesion forces with a pre-defined embossed roller. The patterned graphene sheet adheres to the polyethylene terephthalate (PET)/silicone with very low strength and can be easily transferred to various substrates without the aid of any heating mechanism. The width of the patterned film was 120 mm and a production rate of 15 m min(-1) for patterning was achieved. Large-area uniformity was confirmed by observing the optical images on 4 inch Si wafer and Raman mapping spectra for 50 x 50 mm(2).
ISSN
2040-3364
URI
https://hdl.handle.net/10371/172237
DOI
https://doi.org/10.1039/c4nr06991a
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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