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Dependence of Resonance Energy Transfer on Exciton Dimensionality
University of Southampton.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-9840-7364
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2837-3656
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2011 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 107, no 23, 236805- p.Article in journal (Refereed) Published
Abstract [en]

We investigate the dependence of resonance energy transfer from Wannier-Mott excitons to an organic overlayer on exciton dimensionality. We exploit the excitonic potential disorder in a single quantum well to tune the balance between localized and free excitons by scaling the Boltzmann distribution of excitons through temperature. Theoretical calculations predict the experimentally observed temperature dependence of resonance energy transfer and allow us to quantify the contribution of localized and free excitons. We show that free excitons can undergo resonance energy transfer with an order of magnitude higher rate compared to localized excitons, emphasizing the potential of hybrid optoelectronic devices utilizing resonance energy transfer as a means to overcome charge transfer related limitations.

Place, publisher, year, edition, pages
American Physical Society , 2011. Vol. 107, no 23, 236805- p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-73329DOI: 10.1103/PhysRevLett.107.236805ISI: 000297501900028OAI: oai:DiVA.org:liu-73329DiVA: diva2:471939
Available from: 2012-01-03 Created: 2012-01-02 Last updated: 2017-12-08

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Pozina, GaliaMonemar, BoHultman, Lars

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