Broadband, Polarization-Sensitive Photodetector Based on Optically-Thick Films of Macroscopically Long, Dense, and Aligned Carbon Nanotubes

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dc.citation.firstpage1335en_US
dc.citation.journalTitleScientific Reportsen_US
dc.citation.volumeNumber3en_US
dc.contributor.authorNanot, Sebastienen_US
dc.contributor.authorCummings, Aron W.en_US
dc.contributor.authorPint, Cary L.en_US
dc.contributor.authorIkeuchi, Akiraen_US
dc.contributor.authorAkiho, Takafumien_US
dc.contributor.authorSueoka, Kazuhisaen_US
dc.contributor.authorHauge, Robert H.en_US
dc.contributor.authorLeonard, Françoisen_US
dc.contributor.authorKono, Junichiroen_US
dc.date.accessioned2013-03-20T19:11:47Zen_US
dc.date.available2013-03-20T19:11:47Zen_US
dc.date.issued2013en_US
dc.description.abstractIncreasing performance demands on photodetectors and solar cells require the development of entirely new materials and technological approaches.Wereport on the fabrication and optoelectronic characterization of a photodetector based on optically-thick films of dense, aligned, and macroscopically long single-wall carbon nanotubes. The photodetector exhibits broadband response from the visible to the mid-infrared under global illumination, with a response time less than 32 ms. Scanning photocurrent microscopy indicates that the signal originates at the contact edges, with an amplitude and width that can be tailored by choosing different contact metals. A theoretical model demonstrates the photothermoelectric origin of the photoresponse due to gradients in the nanotube Seebeck coefficient near the contacts. The experimental and theoretical results open a new path for the realization of optoelectronic devices based on three-dimensionally organized nanotubes.en_US
dc.embargo.termsnoneen_US
dc.identifier.citationNanot, Sebastien, Cummings, Aron W., Pint, Cary L., et al.. "Broadband, Polarization-Sensitive Photodetector Based on Optically-Thick Films of Macroscopically Long, Dense, and Aligned Carbon Nanotubes." <i>Scientific Reports,</i> 3, (2013) Nature Publishing Group: 1335. http://dx.doi.org/10.1038/srep01335.en_US
dc.identifier.doihttp://dx.doi.org/10.1038/srep01335en_US
dc.identifier.urihttps://hdl.handle.net/1911/70794en_US
dc.language.isoengen_US
dc.publisherNature Publishing Groupen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.subject.keywordcarbon nanotubes and fullerenesen_US
dc.subject.keywordnanophotonics and plasmonicsen_US
dc.subject.keywordelectricaland electronic engineeringen_US
dc.subject.keywordmaterials scienceen_US
dc.titleBroadband, Polarization-Sensitive Photodetector Based on Optically-Thick Films of Macroscopically Long, Dense, and Aligned Carbon Nanotubesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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