Trap limited exciton transport in conjugated polymers
Athanasopoulos, S., Hennebicq, E., Beljonne, D. and Walker, A., 2008. Trap limited exciton transport in conjugated polymers. Journal of Physical Chemistry C, 112 (30), pp. 11532-11538.
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A Monte-Carlo approach based on hopping rates computed from quantum-chemical calculations is applied to model the energy diffusion dynamics in a polyindenofluorene conjugated polymer on a predetermined chain morphology. While the model predicts faster time-dependent energy evolution than that seen by site-selective experiments and yields a diffusion length that is an order of magnitude larger than typical experimental values, we show that these discrepancies can be corrected by introducing a low concentration of traps in the transport simulations. Implications for conjugated polymer based opto-electronic devices are discussed.
|Creators||Athanasopoulos, S., Hennebicq, E., Beljonne, D. and Walker, A.|
|Departments||Faculty of Science > Physics|
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