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Ruoff, Rodney S.
Center for Multidimensional Carbon Materials (CMCM)
Research Interests
  • Next generation carbons, ultrathin sp3-bonded carbon sheets, negative curvature (‘Schwartzites’) carbons, sp3/sp2 hybrid carbon materials, model compounds for novel carbon materials, reaction mechanisms

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Adlayer-Free Large-Area Single Crystal Graphene Grown on a Cu(111) Foil

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dc.contributor.author Luo, Da ko
dc.contributor.author Wang, Meihui ko
dc.contributor.author Li, Yunqing ko
dc.contributor.author Kim, Changsik ko
dc.contributor.author Yu, Ka Man ko
dc.contributor.author Kim, Yohan ko
dc.contributor.author Han, Huijun ko
dc.contributor.author Biswal, Mandakini ko
dc.contributor.author Huang, Ming ko
dc.contributor.author Kwon, Youngwoo ko
dc.contributor.author Goo, Min ko
dc.contributor.author Camacho-Mojica, Dulce C. ko
dc.contributor.author Shi, Haofei ko
dc.contributor.author Yoo, Won Jong ko
dc.contributor.author Altman, Michael S. ko
dc.contributor.author Shin, Hyung-Joon ko
dc.contributor.author Ruoff, Rodney S. ko
dc.date.available 2019-09-02T09:04:01Z -
dc.date.created 2019-07-29 ko
dc.date.issued 2019-08 ko
dc.identifier.citation ADVANCED MATERIALS, v.31, no.35, pp.1903615 ko
dc.identifier.issn 0935-9648 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/27338 -
dc.description.abstract To date, thousands of publications have reported chemical vapor deposition growth of “single layer” graphene, but none of them has described truly single layer graphene over large area because a fraction of the area has adlayers. It is found that the amount of subsurface carbon (leading to additional nuclei) in Cu foils directly correlates with the extent of adlayer growth. Annealing in hydrogen gas atmosphere depletes the subsurface carbon in the Cu foil. Adlayer-free single crystal and polycrystalline single layer graphene films are grown on Cu(111) and polycrystalline Cu foils containing no subsurface carbon, respectively. This single crystal graphene contains parallel, centimeter-long ≈100 nm wide “folds,” separated by 20 to 50 µm, while folds (and wrinkles) are distributed quasi-randomly in the polycrystalline graphene film. High-performance field-effect transistors are readily fabricated in the large regions between adjacent parallel folds in the adlayer-free single crystal graphene film. © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ko
dc.language 영어 ko
dc.publisher Wiley-VCH Verlag ko
dc.title Adlayer-Free Large-Area Single Crystal Graphene Grown on a Cu(111) Foil ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85068616526 ko
dc.identifier.wosid 000483550000009 ko
dc.type.rims ART ko
dc.identifier.doi 10.1002/adma.201903615 ko
dc.identifier.url https://onlinelibrary.wiley.com/doi/full/10.1002/adma.201903615 ko
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