Picosecond Energy Transfer in Quantum Dot Langmuir - Blodgett Nanoassemblies

  title={Picosecond Energy Transfer in Quantum Dot Langmuir - Blodgett Nanoassemblies},
  author={M. Achermann and M. Petruska and S. Crooker and V. Klimov},
  journal={Journal of Physical Chemistry B},
  • M. Achermann, M. Petruska, +1 author V. Klimov
  • Published 2003
  • Physics, Chemistry
  • Journal of Physical Chemistry B
  • We study spectrally resolved dynamics of Forster energy transfer in single monolayers and bilayers of semiconductor nanocrystal quantum dots assembled using Langmuir−Blodgett (LB) techniques. For a single monolayer, we observe a distribution of transfer times from ∼50 ps to ∼10 ns, which can be quantitatively modeled assuming that the energy transfer is dominated by interactions of a donor nanocrystal with acceptor nanocrystals from the first three “shells” surrounding the donor. We also detect… CONTINUE READING
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