Mechanisms of excitation energy transport in macromolecules

Kenneth P. Ghiggino, Edwin K.L. Yeow, David J. Haines, Gregory D. Scholes, Trevor A. Smith

Research output: Contribution to journalArticle

34 Scopus citations

Abstract

Recent developments in our understanding of the mechanisms of singlet excitation energy transfer (EET) in multichromophoric assemblies are reviewed. Particular emphasis is placed on the role of superexchange interactions involving the molecular framework linking the chromophores in the mediation of EET processes. Experimental measurements of the rates of EET in rigidly linked model bichromophoric compounds demonstrate that, under certain conditions, a through-bond interaction can dominate the energy transport process. High rates of EET in synthetic macromolecules are also observed, and the possible pathways of energy migration and trapping in these systems are outlined.

Original languageEnglish (US)
Pages (from-to)81-86
Number of pages6
JournalJournal of Photochemistry and Photobiology A: Chemistry
Volume102
Issue number1
DOIs
StatePublished - Dec 27 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

Keywords

  • Energy transfer
  • Energy trapping
  • Macromolecules
  • Superexchange

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