Different regimes of Förster-type energy transfer between an epitaxial quantum well and a proximal monolayer of semiconductor nanocrystals

Š Kos, M. Achermann, V. I. Klimov, D. L. Smith

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We calculate the rate of nonradiative, Förster-type energy transfer (ET) from an excited epitaxial quantum well (QW) to a proximal monolayer of semiconductor nanocrystal quantum dots (QDs). Different electron-hole configurations in the QW are considered as a function of temperature and excited electron-hole density. A comparison of the theoretically determined ET rate and QW radiative recombination rate shows that, depending on the specific conditions, the ET rate is comparable to or even greater than the radiative recombination rate. Such efficient Förster ET is promising for the implementation of ET-pumped, nanocrystal QD-based light emitting devices.

Original languageEnglish
Article number205309
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number20
Publication statusPublished - Dec 15 2005


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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