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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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Effects of thermally-induced changes of Cu grains on domain structure and electrical performance of CVD-grown graphene

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Title
Effects of thermally-induced changes of Cu grains on domain structure and electrical performance of CVD-grown graphene
Author
Wu, YapingHao, YufengFu, MingmingJiang, WeiWu, QingzhiThrower, Peter A.Piner, Richard D.Ke, CongmingWu, ZhimingKang, JunyongRuoff, Rodney S.
Issue Date
2016-01
Publisher
ROYAL SOC CHEMISTRY
Citation
NANOSCALE, v.8, no.2, pp.930 - 937
Abstract
During the chemical vapor deposition (CVD) growth of graphene on Cu foils, evaporation of Cu and changes in the dimensions of Cu grains in directions both parallel and perpendicular to the foils are induced by thermal effects. Such changes in the Cu foil could subsequently change the shape and distribution of individual graphene domains grown on the foil surface, and thus influence the domain structure and electrical properties of the resulting graphene films. Here, a slower cooling rate is used after the CVD process, and the graphene films are found to have an improved electrical performance, which is considered to be associated with the Cu surface evaporation and grain structure changes in the Cu substrate.
URI
https://scholarworks.unist.ac.kr/handle/201301/18177
URL
http://pubs.rsc.org/en/Content/ArticleLanding/2016/NR/C5NR06195D#!divAbstract
DOI
10.1039/c5nr06195d
ISSN
2040-3364
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CHM_Journal Papers
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