Identifying and quantitating defects on chemical vapor deposition grown graphene layers by selected electrochemical deposition of Au nanoparticles

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The defect sites on chemical vapor deposition grown graphene are investigated through the selective electrochemical deposition (SED) of Au nanoparticles. For SED of Au nanoparticles, an engineered potential pulse is applied to the working electrode versus the reference electrode, thereby highlighting the defect sites, which are more reactive relative to the pristine surface. Most defect sites decorated by Au nanoparticles are situated along the Cu grain boundaries, implying that the origin of the defects lies in the synthesis of uneven graphene layers on the rough Cu surface.
Publisher
한국탄소학회
Issue Date
2012-01
Language
English
Citation

Carbon Letters, v.13, no.1, pp.56 - 59

ISSN
1976-4251
URI
http://hdl.handle.net/10203/102389
Appears in Collection
EE-Journal Papers(저널논문)
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