Auger recombination dynamics in hybrid silica-coated CdTe nanocrystals

Literature Information

Publication Date 2011-01-14
DOI 10.1039/C0CP01957G
Impact Factor 3.676
Authors

Gabriel Sagarzazu, Yoichi Kobayashi, Norio Murase, Ping Yang, Naoto Tamai


View Original

Abstract

CdTe quantum dots coated with a silica layer containing CdS-like clusters exhibit intense photoluminescence and a spectral red-shift. Biexciton Auger recombination of these particles is examined by transient absorption spectroscopy. A lengthening of the Auger recombination lifetime by a factor of ∼3.5 in the presence of the CdS-like clusters is observed and may contribute to the good PL properties of these nanostructures.

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