The biexcitonic quenching and exciton migration rate in aromatic crystals
- 1 October 1972
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 24 (4), 695-704
- https://doi.org/10.1080/00268977200101841
Abstract
Fluorescence quenching due to exciton-exciton interaction was studied for the crystals of fluoranthene and 1,2,4,5-tetracyanobenzene-durene complex with the use of a nitrogen gas laser and the rate constant for the biexcitonic quenching process γ and the rate of the exciton migration λ were obtained for both crystals. The γ value for both crystals was found to increase with increasing temperature. Finally, we obtained the phonon frequency which contributes to the transport of excitons through exciton-phonon coupling.Keywords
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