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Luminescence Spectra and Dynamics of Mn‐Doped CdS Core/Shell Nanocrystals
Author(s) -
Ishizumi A.,
Kanemitsu Y.
Publication year - 2006
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200600018
Subject(s) - photoluminescence , nanocrystal , materials science , luminescence , doping , fluorescence , shell (structure) , core (optical fiber) , nanotechnology , optoelectronics , optics , composite material , physics
The overcoating of CdS:Mn nanocrystals by a thin shell of non‐doped CdS or ZnS results in remarkably improved photoluminescence properties. The CdS:Mn/CdS and CdS:Mn/ZnS nanocrystals presented in this work (see figure) show a much more efficient Mn‐related photoluminescence than the non‐coated nanocrystals. These nanocrystals are expected to find applications in flat‐panel displays, high‐density optical data storage materials, and fluorescence labels for biological imaging.