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Role of Quantum Coherence and Energetic Disorder on Exciton Transport in Polymer Films

Abstract:

The cross-over from coherent to incoherent exciton transport in disordered polymer films is studied by computationally solving a modified form of the Redfield equation for the exciton density matrix. This theory models quantum mechanical (ballistic) and incoherent (diffusive) transport as limiting cases. It also reproduces Forster transport for certain parameter regimes. Using model parameters appropriate to polymer thin films it is shown that short-time quantum mechanical coherence increases...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.74.075207

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
PHYSICAL REVIEW B
Volume:
74
Issue:
7
Publication date:
2006-07-24
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:d6a4d275-bb69-4866-9c2e-3fabdfe70f08
Source identifiers:
40085
Local pid:
pubs:40085
Language:
English
Keywords:

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