Bright and Stable Alloy Core/Multishell Quantum Dots

Bright and Stable Alloy Core/Multishell Quantum Dots

Color conversion: A quantum dot (QD) structure consisting of an alloy core (CdSe//ZnS) and multishells (CdSZnS) was prepared (see picture). The photoluminescence of the QDs could be tuned especially in the green‐light region by controlling the thickness of the inner CdS shell. The alloy core/multish...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-01, Vol.52 (2), p.679-682
Hauptverfasser: Jun, Shinae, Jang, Eunjoo
Format: Artikel
Sprache:eng
Schlagworte:
Cadmium selenides
Color
Conversion
core-shell structures
light-emitting diodes
nanocrystals
Photoluminescence
Pictures
Quantum dots
Quantum efficiency
semiconductors
Zinc sulfides
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Zusammenfassung:Color conversion: A quantum dot (QD) structure consisting of an alloy core (CdSe//ZnS) and multishells (CdSZnS) was prepared (see picture). The photoluminescence of the QDs could be tuned especially in the green‐light region by controlling the thickness of the inner CdS shell. The alloy core/multishell (AC/MS) QDs showed a quantum efficiency of 100 % and a narrow spectrum width.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201206333