Excitons in poly(para-phenylenevinylene)

M. Chandross, S. Mazumdar, S. Jeglinski, X. Wei, Z. V. Vardeny, E. W. Kwock, T. M. Miller

Research output: Contribution to journalArticlepeer-review

265 Scopus citations


We show that one-electron band theory fails to describe optical absorption in PPV and the absorption spectrum can be described only within a Coulomb-correlated model. The lowest optical state is an exciton, whose binding energy is estimated theoretically to be 0.90±0.15 eV. Measurements of the photoconductivity quantum efficiency in poly[2-methoxy,5-(2'-ethyl-hexyloxy)-1, 4 phenylenevinylene] reveal a binding energy in good agreement with the theoretical value.

Original languageEnglish (US)
Pages (from-to)14702-14705
Number of pages4
JournalPhysical Review B
Issue number19
StatePublished - 1994

ASJC Scopus subject areas

  • Condensed Matter Physics


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