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THz-conductivity of CVD graphene on different substrates
dc.contributor.author | Gabriel Cortés, Daniel |
dc.contributor.author | Sempere, Bernat |
dc.contributor.author | Colominas, Carles |
dc.contributor.author | Ferrer Anglada, Núria |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física |
dc.date.accessioned | 2015-12-23T12:35:57Z |
dc.date.available | 2016-10-24T00:30:23Z |
dc.date.issued | 2015-10-23 |
dc.identifier.citation | Gabriel, D., Bernat Sempere, Carles Colominas, Ferrer-Anglada, N. THz-conductivity of CVD graphene on different substrates. "Physica Status Solidi b", 23 Octubre 2015, vol. 252, núm. 11, p. 2423-2428. |
dc.identifier.uri | http://hdl.handle.net/2117/81029 |
dc.description.abstract | Optoelectronic properties of CVD graphene are charac-terized over a wide frequency range: THz, IR, visible and near-UV. We used Raman spectroscopy to characterize the synthesized graphene films. All graphene layers were deposited on various substrates, some ones transparent or flexible, such as polyethylene terephthalate (PET), polyethylene naphthalate (PEN), quartz and silicon. Transmission Terahertz time-domain spectroscopy (THz-TDS) method, in the range from 100 GHz to 3 THz, is used to analyze the transmittance, sheet conductivity and attenuation of graphene and the complex refractive index of substrates. From IR, near-UV and visible spectroscopy we obtained the transmittance of the substrate and the sample at those frequency ranges, and we deduced the graphene transmittance on each substrate. We found that it is close to 97% in most cases. |
dc.format.extent | 6 p. |
dc.language.iso | eng |
dc.publisher | Wiley-VCH |
dc.subject | Àrees temàtiques de la UPC::Física |
dc.subject.lcsh | Graphene -- Electric properties |
dc.subject.other | graphene |
dc.subject.other | high frequency conductivity |
dc.subject.other | IR-UV-Vis spectroscopy |
dc.subject.other | transmittance |
dc.title | THz-conductivity of CVD graphene on different substrates |
dc.type | Article |
dc.subject.lemac | Grafè -- Propietats elèctriques |
dc.contributor.group | Universitat Politècnica de Catalunya. CEMAD - Caracterització Elèctrica de Materials i Dispositius |
dc.identifier.doi | 10.1002/pssb.201552248 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | Wiley-VCH |
dc.rights.access | Open Access |
local.identifier.drac | 17088491 |
dc.description.version | Postprint (published version) |
local.citation.author | Gabriel, D.; Bernat Sempere, Carles Colominas; Ferrer-Anglada, N. |
local.citation.publicationName | Physica Status Solidi b |
local.citation.volume | 252 |
local.citation.number | 11 |
local.citation.startingPage | 2423 |
local.citation.endingPage | 2428 |
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