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Bin Wang
다차원 탄소재료 연구단
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Controlled Folding of Single Crystal Graphene

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Title
Controlled Folding of Single Crystal Graphene
Author(s)
Bin Wang; Ming Huang; Na Yeon Kim; Benjamin V. Cunning; Yuan Huang; Deshun Qu; Xianjue Chen; Sunghwan Jin; Mandakini Biswal; Xu Zhang; Sun Hwa Lee; Hyunseob Lim; Won Jong Yoo; Zonghoon Lee; Rodney S. Ruoff
Publication Date
2017-02
Journal
NANO LETTERS, v.17, no.3, pp.1467 - 1473
Publisher
AMER CHEMICAL SOC
Abstract
Folded graphene in which two layers are stacked with a twist angle between them has been predicted to exhibit unique electronic, thermal, and magnetic properties. We report the folding of a single crystal monolayer graphene film grown on a Cu(111) substrate by using a tailored substrate having a hydrophobic region and a hydrophilic region. Controlled film delamination from the hydrophilic region was used to prepare macroscopic folded graphene with good uniformity on the millimeter scale. This process was used to create many folded sheets each with a defined twist angle between the two sheets. By identifying the original lattice orientation of the monolayer graphene on Cu foil, or establishing the relation between the fold angle and twist angle, this folding technique allows for the preparation of twisted bilayer graphene films with defined stacking orientations and may also be extended to create folded structures of other two-dimensional nanomaterials © I.I. Poletaeva, O.V. Perepelkina, O.S. Boyarshinova, V.A. Golibrodo, I.G. Lilp, H.-P. Lipp, Hee Sup Shin, 2016
URI
https://pr.ibs.re.kr/handle/8788114/3555
ISSN
1530-6984
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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