Excited state behavior of twisted olefins with rigidly linked and rotationally free chromophores

Gina Strati, Piotr Piotrowiak

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The stilbene analogues tetraphenylethylene and bi-4H-cyclopenta [def] phenanthren-4-ylidene (BPH) prove to be useful models for studying photoisomerization reactions in olefins with freely rotating and rigid chromophores. In the former, the rotation of the phenyl rings follows a complex isomerization pathway from one of the two isoenergetic enantiomers to the 90° twisted conformer. The isomerization pathway for BPH is much simpler since only idealized rotation about the double bond is possible.

Original languageEnglish (US)
Pages (from-to)255-259
Number of pages5
JournalJournal of Photochemistry and Photobiology A: Chemistry
Volume105
Issue number2-3
DOIs
StatePublished - May 30 1997

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Physics and Astronomy(all)

Keywords

  • Biradical
  • Olefins
  • Photoisomerization
  • Tetraphenylethylene

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