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

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概要

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• The 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-rangeexcitons at the higher-energy side of the lowest main feature of optical spectra. The fact thatthe onset of long-range excitons is located near the energy gap is related to the mechanisms oflarge photocurrents meastrred in such energy regions. XVe show that a large value of the hoppingintegral is realistic f'or characterizing optical excitations.

• 社団法人日本物理学会の論文
• 1997-05-15

著者

• Harigaya Kikuo

  Phyasical Science Division Electrotechnical Laboratory

関連論文

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

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