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Excitation migration along oligophenylenevinylene-based chiral stacks: delocalization effects on transport dynamics.

Abstract:

Atomistic models based on quantum-chemical calculations are combined with time-resolved spectroscopic investigations to explore the migration of electronic excitations along oligophenylenevinylene-based chiral stacks. It is found that the usual Pauli master equation (PME) approach relying on uncoherent transport between individual chromophores underestimates the excitation diffusion dynamics, monitored here by the time decay of the transient polarization anisotropy. A better agreement to expe...

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Publication status:
Published

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Publisher copy:
10.1021/jp050792p

Authors


Beljonne, D More by this author
Hennebicq, E More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Journal:
The journal of physical chemistry. B
Volume:
109
Issue:
21
Pages:
10594-10604
Publication date:
2005-06-05
DOI:
EISSN:
1520-5207
ISSN:
1520-6106
URN:
uuid:4501771b-7a08-4e20-8739-b6a1161f4ca2
Source identifiers:
23953
Local pid:
pubs:23953
Language:
English

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