Photoluminescence sidebands of carbon nanotubes below the bright singlet excitonic levels

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dc.citation.firstpage195407en_US
dc.citation.journalTitlePhysical Review Ben_US
dc.citation.volumeNumber79en_US
dc.contributor.authorMurakami, Yoichien_US
dc.contributor.authorLu, Benjaminen_US
dc.contributor.authorKazaoui, Saiden_US
dc.contributor.authorMinami, Nobutsuguen_US
dc.contributor.authorOkubo, Tatsuyaen_US
dc.contributor.authorMaruyama, Shigeoen_US
dc.date.accessioned2014-11-11T16:10:38Zen_US
dc.date.available2014-11-11T16:10:38Zen_US
dc.date.issued2009en_US
dc.description.abstractWe performed detailed photoluminescence (PL) spectroscopy studies of three different types of single-walled carbon nanotubes (SWNTs) by using samples that contain essentially only one chiral type of SWNT, (6,5), (7,5), or (10,5). The observed PL spectra unambiguously show the existence of an emission sideband at ∼140 meV below the lowest singlet excitonic (E11) level, whose identity and origin are now under debate. We find that the energy separation between the E11 level and the sideband is independent of the SWNT diameter within our experimental certainty. Based on this, we ascribe the origin of the observed sideband to coupling between K-point phonons and dipole-forbidden dark excitons, as recently suggested based on the measurement of (6,5) SWNTs.en_US
dc.identifier.citationMurakami, Yoichi, Lu, Benjamin, Kazaoui, Said, et al.. "Photoluminescence sidebands of carbon nanotubes below the bright singlet excitonic levels." <i>Physical Review B,</i> 79, (2009) The American Physical Society: 195407. http://dx.doi.org/10.1103/PhysRevB.79.195407.en_US
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevB.79.195407en_US
dc.identifier.urihttps://hdl.handle.net/1911/78265en_US
dc.language.isoengen_US
dc.publisherThe American Physical Societyen_US
dc.titlePhotoluminescence sidebands of carbon nanotubes below the bright singlet excitonic levelsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
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