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Conferences > UP > 2004 > ThA > ThA3
  • 14th International Conference on Ultrafast Phenomena
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper ThA3

Ultrafast charge photogeneration and exciton regeneration at polymeric semiconductor heterojunctions

Arne C. Morteani, Paiboon Sreearunothai, Laura M. Herz, Richard H. Friend, and Carlos Silva

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Abstract

We investigate photoexcitation dynamics in blends of electron and hole transporting conjugated polymers. Excitons that dissociate at the heterojunction can be regenerated efficiently via geminate-pair recombination and endothermic energy transfer from intermediate exciplex states.

© 2004 Optical Society of America

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