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Exciton dynamics in π-conjugated polymer systems

Abstract:

Experimentally, it is observed that upon photoexcitation, conjugated polymers undergo sub-picosecond coupled exciton-phonon dynamics, in which the nuclei distort to stabilise the new electronic state. Previously, such relaxation dynamics of highly excited electronic states of poly(p-phenylenevinylene) have been modelled using Ehrenfest dynamics. Rather than the system relaxing onto a single emissive chromophore as physically expected, the dynamics were seen to bifurcate into a quantum supe...

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Jonathan Mannouch More by this author

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Supervisor
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Grant:
EP/L015722/1
Funding agency for:
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Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford

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