High-Efficient Deep-Blue Light-Emitting Diodes by Using High Quality Zn sub(x)Cd sub(1-x)S/ZnS Core/Shell Quantum Dots

High-Efficient Deep-Blue Light-Emitting Diodes by Using High Quality Zn sub(x)Cd sub(1-x)S/ZnS Core/Shell Quantum Dots

High-quality violet-blue emitting Zn sub(x)Cd sub(1-x)S/ZnS core/shell quantum dots (QDs) are synthesized by a new method, called "nucleation at low temperature/shell growth at high temperature". The resulting nearly monodisperse Zn sub(x)Cd sub(1-x)S/ZnS core/shell QDs have high PL quantu...

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Veröffentlicht in:Advanced functional materials 2014-04, Vol.24 (16), p.2367-2373
Hauptverfasser: Shen, Huaibin, Bai, Xianwei, Wang, Aqiang, Wang, Hongzhe, Qian, Lei, Yang, Yixing, Titov, Alexandre, Hyvonen, Jake, Zheng, Ying, Li, Lin Song
Format: Artikel
Sprache:eng
Schlagworte:
Color
Light-emitting diodes
Luminance
Quantum dots
Quantum efficiency
Shells
Synthesis
Zinc sulfides
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Zusammenfassung:High-quality violet-blue emitting Zn sub(x)Cd sub(1-x)S/ZnS core/shell quantum dots (QDs) are synthesized by a new method, called "nucleation at low temperature/shell growth at high temperature". The resulting nearly monodisperse Zn sub(x)Cd sub(1-x)S/ZnS core/shell QDs have high PL quantum yield (near to 100%), high color purity (FWHM)
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.201302964