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Synthesis and Characterization of InAs/InP and InAs/CdSe Core/Shell Nanocrystals
1Department of Physical Chemistry, and The Farkas Center for Light-Induced Processes, The Hebrew University of Jerusalem, Jerusalem 91904 (Israel).
Angewandte Chemie (International Ed. in English)
|January 29, 2000
Abstract:
The effect of the outer surface of core/shell nanocrystals on the fluorescence quantum yield was observed for InAs/InP and InAs/CdSe core/shells (see picture). For InAs/CdSe we observed substantial enhancement of the fluorescence quantum yield compared to the InAs core, and up to two times larger than the laser dye IR-140. Such core/shell nanocrystals have potential use as biological fluorescent markers in the near IR spectral range.