Cross-Polarized Excitons and Plasmons Aligned Carbon Nanotubes

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dc.contributor.advisorKono, Junichiroen_US
dc.creatorKatsutani, Fumiyaen_US
dc.date.accessioned2019-05-17T15:28:41Zen_US
dc.date.available2019-05-17T15:28:41Zen_US
dc.date.created2018-05en_US
dc.date.issued2018-07-17en_US
dc.date.submittedMay 2018en_US
dc.date.updated2019-05-17T15:28:41Zen_US
dc.description.abstractSingle-wall carbon nanotubes (SWCNTs) exhibit strong absorption resonances for parallel -polarized light, arising from one-dimensional excitons with enormous binding energies, promising for a variety of applications in optoelectronics. However, how SWCNTs respond to light polarized perpendicular to the nanotube axis has not been explored experimentally due to the unavailability of suitable samples. In this study, we have observed new types of excitonic and plasmonic resonances for perpendicular-polarized light in aligned SWCNT films. Specifically, first, we observed an interband absorption resonance for perpendicular polarization through so-called cross-polarized excitons in a single-chirality aligned SWCNT film. This direct observation by absorption spectroscopy allowed us to determine the oscillator strength quantitatively. Second, we observed intersubband plasmons for perpendicular polarization when and only when gated and aligned SWCNT films. This observation allowed us to provide insight into the collective dynamic response of interacting electrons in one dimension.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationKatsutani, Fumiya. "Cross-Polarized Excitons and Plasmons Aligned Carbon Nanotubes." (2018) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/105780">https://hdl.handle.net/1911/105780</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/105780en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectCarbon Nanotubeen_US
dc.subjectMacroscopic Alignmenten_US
dc.subjectExcitonen_US
dc.subjectPlasmonen_US
dc.subjectSpectroscopyen_US
dc.subjectInterband Transitionen_US
dc.subjectIntersubband Transitionen_US
dc.subjectnear-infrareden_US
dc.subjectElectronic Devicesen_US
dc.subjectOptoelectronic Devicesen_US
dc.titleCross-Polarized Excitons and Plasmons Aligned Carbon Nanotubesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentElectrical and Computer Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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