Optical constants of highly stretch-oriented poly(p-phenylene-vinylene): A joint experimental and theoretical study

D. Comoretto, G. Dellepiane, F. Marabelli, J. Cornil, D. A. dos Santos, Jean-Luc Bredas, D. Moses

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

We have determined the frequency dispersion of the anisotropic complex optical constants of highly stretch-oriented poly(p-phenylene-vinylene) chains from Kramers-Kronig transformation of polarized near-normal-incidence absolute reflectivity data, inversion of polarized reflectance and transmittance measurements, and spectroscopic ellipsometry. The spectroscopic data are discussed in comparison to the results provided by correlated quantum-chemical calculations. On this basis, we assign the nature and polarization of the optical transitions in poly(p-phenylene-vinylene) chains.

Original languageEnglish (US)
Pages (from-to)10173-10184
Number of pages12
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume62
Issue number15
DOIs
StatePublished - Oct 15 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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