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Infrared spectroscopy of large scale single layer graphene on self assembled organic monolayer

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dc.contributor.authorKim, Nak Woo-
dc.contributor.authorKim, Joo Youn-
dc.contributor.authorLee, Chul-
dc.contributor.authorKim, Sang Jin-
dc.contributor.authorHong, Byung Hee-
dc.contributor.authorChoi, E. J.-
dc.date.accessioned2021-01-31T08:29:26Z-
dc.date.available2021-01-31T08:29:26Z-
dc.date.issued2014-01-
dc.identifier.citationApplied Physics Letters, Vol.104 No.4, p. 041904-
dc.identifier.issn0003-6951-
dc.identifier.other107038-
dc.identifier.urihttps://hdl.handle.net/10371/172167-
dc.description.abstractWe study the effect of self-assembled monolayer (SAM) organic molecule substrate on large scale single layer graphene using infrared transmission measurement on Graphene/SAM/SiO2/Si composite samples. From the Drude weight of the chemically inert CH3-SAM, the electron-donating NH2-SAM, and the SAM-less graphene, we determine the carrier density doped into graphene by the three sources-the SiO2 substrate, the gas-adsorption, and the functional group of the SAM's-separately. The SAM-treatment leads to the low carrier density N similar to 4 x 10(11) cm(-2) by blocking the dominant SiO2- driven doping. The carrier scattering increases by the SAM-treatment rather than decreases. However, the transport mobility is nevertheless improved due to the reduced carrier doping. (C) 2014 AIP Publishing LLC.-
dc.titleInfrared spectroscopy of large scale single layer graphene on self assembled organic monolayer-
dc.typeArticle-
dc.contributor.AlternativeAuthor홍병희-
dc.identifier.doi10.1063/1.4863416-
dc.citation.journaltitleApplied Physics Letters-
dc.identifier.scopusid2-s2.0-84893221545-
dc.citation.number4-
dc.citation.startpage041904-
dc.citation.volume104-
dc.identifier.rimsid107038-
dc.identifier.sci000331209900023-
dc.contributor.affiliatedAuthorHong, Byung Hee-
Appears in Collections:
College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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