Stable and low ‐ threshold optical gain in CdSe/CdS quantum dots: an all ‐ colloidal frequency up ‐ converted laser

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11535.pdf (1.29 MB)
Date
2015
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Source Title
Advanced Materials
Print ISSN
0935-9648
Electronic ISSN
Publisher
Wiley-VCH Verlag
Volume
27
Issue
17
Pages
2741 - 2746
Language
English
Type
Article
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Abstract

An all-solution processed and all-colloidal laser is demonstrated using tailored CdSe/CdS core/shell quantum dots, which exhibit highly stable and low-threshold optical gain owing to substantially suppressed non-radiative Auger recombination.

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Keywords
Semiconductor nanocrystals , Amplified spontaneous emission , Core - shell nanocrystals , Stimulated - emission , Auger recombination , Blinking , Blue , Suppression , Red , Microcavity
Citation
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http://hdl.handle.net/11693/12840
Published Version (Please cite this version)
http://dx.doi.org/10.1002/adma.201500418
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Department of Physics
Department of Electrical and Electronics Engineering
Institute of Materials Science and Nanotechnology (UNAM)