Long-Range Excitons in Optical Absorption Spectra of Electroluminescent Polymer Poly(para-phenylenevinylene)

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dc.creatorHarigaya, Kikuo
dc.date1996-09-18
dc.date1997-04-09
dc.date.accessioned2026-07-07T08:59:03Z
dc.date.available2026-07-07T08:59:03Z
dc.descriptionThe component of photoexcited states with large spatial extent is investigated for poly(para-phenylenevinylene) using the intermediate exciton theory. We find a peak due to long-range excitons at the higher-energy side of the lowest main feature of optical spectra. The fact that the onset of long-range excitons is located near the energy gap is related to the mechanisms of large photocurrents measured in such energy regions. We show that a large value of the hopping integral is realistic for characterizing optical excitations.
dc.descriptionTo be published in J. Phys. Soc. Jpn. (Letters)
dc.identifierhttps://arxiv.org/abs/cond-mat/9609168
dc.identifierhttp://arxiv.org/abs/cond-mat/9609168
dc.identifierJ. Phys. Soc. Jpn. 66 (1997) 1272-1275
dc.identifierdoi:10.1143/JPSJ.66.1272
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/147565
dc.subjectCondensed Matter
dc.subjectChemical Physics
dc.subjectMaterials Science
dc.titleLong-Range Excitons in Optical Absorption Spectra of Electroluminescent Polymer Poly(para-phenylenevinylene)
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