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Keywords:

  • Cadmium selenium;
  • Cadmium sulfide;
  • Donor-acceptor systems;
  • Light-emitting diodes (LEDs);
  • Nanodots;
  • Nanorods
Thumbnail image of graphical abstract

Excited-state energy transfer from spherical green-light-emitting nanocrystals as donor to rod-shaped red-light-emitting nanocrystals as acceptor results in red fluorescence in mixed films. Uniaxial alignment of the quantum rods provides polarized emission, while the absorption remains unpolarized (see figure).