Exciton recycling in graded gap nanocrystal structures

  • Franzl T
  • Klar T
  • Schietinger S
 et al. 
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Abstract

A funnel like band gap profile is realized in a layer-by-layer assembled structure of CdTe nanocrystals. Recycling of trapped excitons leads to efficient energy transfer along the band gap gradient.

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Authors

  • Thomas Franzl

  • Thomas A. Klar

  • Stefan Schietinger

  • Andrey L. Rogach

  • Jochen Feldmann

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