Biexciton resonance energy transfer in a model photosystem

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Abstract

The absorption of two photons by a concentrated assembly of identical chromophores can lead to formation of a biexciton. This work concerns the transfer of biexcitonic energy from a ring to a central donor, with a particular focus on rates and geometric effects. Quantum amplitudes are expressed in terms of orientation factors with a clear physical significance and detailed calculations are performed on an idealised, three-fold symmetric photosystem�a structural motif common in a variety of natural and artificial light-harvesting systems.
Original languageEnglish
Pages (from-to)39-46
Number of pages8
JournalPhotochemical & Photobiological Science
Volume3
Issue number1
DOIs
Publication statusPublished - 17 Oct 2004

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