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Article: Charge dynamics and electronic structures of monolayer graphene with molecular doping

TitleCharge dynamics and electronic structures of monolayer graphene with molecular doping
Authors
Shen, C. C.Lin, C. T.Li, L. J.Liu, H. L.
Issue Date2012
Citation
Applied Physics Letters, 2012, v. 101, n. 11, article no. 111907 How to Cite?
DOI: http://dx.doi.org/10.1063/1.4752131
AbstractTHz absorption and spectroscopic ellipsometry were used to investigate the charge dynamics and electronic structures of monolayer graphene with doping by triazine. The absorption spectrum of the triazine-doped film shows an optical excitation near 5.1 eV that is blue shifted compared with that of undoped analog. THz conductivity displays a coherent response of itinerant charge carriers at zero frequency and a disorder-induced finite frequency peak around 155 cm . Drude plasma frequency (∼4400 cm ) decreases with decreasing temperature while carrier relaxation time (∼13 fs) is almost temperature independent, implying the semiconducting behavior with thermal activation energy of 3 meV. © 2012 American Institute of Physics. -1 -1
Persistent Identifierhttp://hdl.handle.net/10722/298575
ISSN
0003-6951
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 0.976
ISI Accession Number ID
WOS:000309329300028

 

DC FieldValueLanguage
dc.contributor.authorShen, C. C.-
dc.contributor.authorLin, C. T.-
dc.contributor.authorLi, L. J.-
dc.contributor.authorLiu, H. L.-
dc.date.accessioned2021-04-08T03:08:47Z-
dc.date.available2021-04-08T03:08:47Z-
dc.date.issued2012-
dc.identifier.citationApplied Physics Letters, 2012, v. 101, n. 11, article no. 111907-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/298575-
dc.description.abstractTHz absorption and spectroscopic ellipsometry were used to investigate the charge dynamics and electronic structures of monolayer graphene with doping by triazine. The absorption spectrum of the triazine-doped film shows an optical excitation near 5.1 eV that is blue shifted compared with that of undoped analog. THz conductivity displays a coherent response of itinerant charge carriers at zero frequency and a disorder-induced finite frequency peak around 155 cm . Drude plasma frequency (∼4400 cm ) decreases with decreasing temperature while carrier relaxation time (∼13 fs) is almost temperature independent, implying the semiconducting behavior with thermal activation energy of 3 meV. © 2012 American Institute of Physics. -1 -1-
dc.languageeng-
dc.relation.ispartofApplied Physics Letters-
dc.titleCharge dynamics and electronic structures of monolayer graphene with molecular doping-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.4752131-
dc.identifier.scopuseid_2-s2.0-84866342631-
dc.identifier.volume101-
dc.identifier.issue11-
dc.identifier.spagearticle no. 111907-
dc.identifier.epagearticle no. 111907-
dc.identifier.isiWOS:000309329300028-
dc.identifier.issnl0003-6951-

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