University of Cagliari
Auger recombination of biexcitons and charged excitons in CdSe/CdS core/shell nanocrystals
SABA, MICHELE;QUOCHI, FRANCESCO;MURA, ANTONIO ANDREA;BONGIOVANNI, GIOVANNI LUIGI CARLO
2011-01-01
Abstract
CdSe/CdS colloidal nanocrystals are light-emitting nanoparticles with remarkable optical properties such as suppressed fluorescence blinking and enhanced emission from multiexciton states. These properties have been attributed to the suppression of non-radiative Auger recombination. In this work we employ ultrafast spectroscopy techniques to identify optical signatures of neutral and charged excitonic and multiexcitonic states.
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