Ultrafast photoexcitation dynamics in a ladder-type oligophenyl

C. Gadermaier, G. Cerullo, M. Zavelani-Rossi, G. Sansone, G. Lanzani, E. Zojer, A. Pogantsch, D. Beljonne, Z. Shuai, Jean-Luc Bredas, U. Scherf, G. Leising

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Sub-ps transient differential transmission spectroscopy is used to study the photoexcitation dynamics of a blue emitting ladder-type oligophenyl in bulk film. The observed spectral features are ascribed to singlet excited states and polarons. The time traces of these features reveal the dynamics of charge-carrier generation from singlets via a migration-assisted dissociation mechanism.

Original languageEnglish (US)
Article number125203
Pages (from-to)1252031-1252037
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number12
DOIs
StatePublished - Sep 15 2002

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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