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Energy Transfer and Polarized Emission in Cadmium Selenide Nanocrystal Solids with Mixed Dimensionality
Author(s) -
Chin P. T. K.,
Hikmet R. A. M.,
Meskers S. C. J.,
Janssen R. A. J.
Publication year - 2007
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200700683
Subject(s) - materials science , nanocrystal , cadmium selenide , excited state , fluorescence , energy transfer , optoelectronics , quantum dot , absorption (acoustics) , acceptor , nanotechnology , optics , molecular physics , atomic physics , condensed matter physics , physics , composite material
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).