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Quantum Chemistry

Biexciton resonance energy transfer in a model photosystem.

PubMed

Authors: Jenkins RD, Andrews DL

Year

2004

Paper ID

12945

Status

Peer-reviewed

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~2 min

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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.

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The absorption of two photons by a concentrated assembly of identical chromophores can lead to formation of a biexciton.

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References & Citation Signals

[1] DOI https://doi.org/10.1039/b307665b [2] Publisher https://pubmed.ncbi.nlm.nih.gov/14743278/

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