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Rodney S. Ruoff
다차원 탄소재료 연구단
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Controllable seeding of single crystal graphene islands from graphene oxide flakes

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Title
Controllable seeding of single crystal graphene islands from graphene oxide flakes
Author(s)
Li, QY; Zhang, CK; Lin, WY; Huang, ZY; Zhang, LL; Li, HY; Chen, XP; Cai, WW; Rodney S Ruoff; Chen, SS
Publication Date
2014-11
Journal
CARBON, v.79, no., pp.406 - 412
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
Graphene oxide (G-O) flakes were used to seed the growth of single crystal graphene islands by chemical vapor deposition (CVD) on Cu foil. Such islands have the G-O seed (which converts to a ‘reduced graphene oxide’ (rG-O) seed due to the CVD growth conditions used) roughly in the center of the islands. The lateral growth of such single crystal graphene islands was studied by carbon isotope labeling and Raman spectroscopy, scanning and transmission electron microscopy and selected area electron diffraction. By changing the concentration of G-O in the aqueous dispersion used to deposit the G-O flakes onto the Cu foil by dip-coating, the size of the seeded graphene islands could be precisely controlled on the Cu foil. The crystal orientation of the single crystal graphene islands was found to be identical to that of the G-O seeds.
URI
https://pr.ibs.re.kr/handle/8788114/1445
ISSN
0008-6223
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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