Dependence of Resonance Energy Transfer on Exciton Dimensionality

Jan Junis Rindermann, Galia Pozina, Bo Monemar, Lars Hultman, Hiroshi Amano, Pavlos G. Lagoudakis

Research output: Contribution to journalArticlepeer-review

41 Citations (SciVal)

Abstract

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.
Original languageEnglish
Article number236805
JournalPhysical Review Letters
Volume107
Issue number23
DOIs
Publication statusPublished - 2011

Subject classification (UKÄ)

  • Condensed Matter Physics

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