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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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Selective mechanical transfer of graphene from seed copper foil using rate effects

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dc.contributor.author Na, Seung Ryul ko
dc.contributor.author Suk, Ji Won ko
dc.contributor.author Tao, Li ko
dc.contributor.author Akinwande, Deji ko
dc.contributor.author Ruoff, Rodney S. ko
dc.contributor.author Huang, Rui ko
dc.contributor.author Liechti, Kenneth M. ko
dc.date.available 2015-03-25T00:11:06Z -
dc.date.created 2015-03-24 ko
dc.date.issued 2015-02 ko
dc.identifier.citation ACS NANO, v.9, no.2, pp.1325 - 1335 ko
dc.identifier.issn 1936-0851 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/10988 -
dc.description.abstract A very fast, dry transfer process based on mechanical delamination successfully effected the transfer of large-area, CVD grown graphene on copper foil to silicon. This has been achieved by bonding silicon backing layers to both sides of the graphene-coated copper foil with epoxy and applying a suitably high separation rate to the backing layers. At the highest separation rate considered (254.0 μm/s), monolayer graphene was completely transferred from the copper foil to the target silicon substrate. On the other hand, the lowest rate (25.4 μm/s) caused the epoxy to be completely separated from the graphene. Fracture mechanics analyses were used to determine the adhesion energy between graphene and its seed copper foil (6.0 J/m2) and between graphene and the epoxy (3.4 J/m2) at the respective loading rates. Control experiments for the epoxy/silicon interface established a rate dependent adhesion, which supports the hypothesis that the adhesion of the graphene/epoxy interface was higher than that of the graphene/copper interface at the higher separation rate, thereby providing a controllable mechanism for selective transfer of graphene in future nanofabrication systems such as roll-to-roll transfer ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher AMER CHEMICAL SOC ko
dc.title Selective mechanical transfer of graphene from seed copper foil using rate effects ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84923426966 ko
dc.identifier.wosid 000349940500029 ko
dc.type.rims ART ko
dc.description.wostc 5 *
dc.description.scopustc 4 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1021/nn505178g ko
dc.identifier.url http://pubs.acs.org/doi/abs/10.1021/nn505178g ko
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