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Highly Efficient Green-Light-Emitting Diodes Based on CdSe@ZnS Quantum Dots with a Chemical-Composition Gradient

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Authors
Bae, Wan Ki; Kwak, Jeonghun; Park, Ji Won; Char, Kookheon; Lee, Changhee; Lee, Seonghoon
Issue Date
2009-02-02
Publisher
Wiley-Blackwell
Citation
Adv. Mater. 2009, 21, 1690
Keywords
Inorganic nanocrystalsQuantum dotsLight-emitting diodesCore-shell materials
Abstract
Highly efficient green-light-emitting diodes (LEDs) based on CdSe@ZnS quantum dots (QDs) with a chemical-composition gradient are demonstrated. Through the moderate control of QD coverage in multilayered devices, excellent device performance has been achieved. The color-saturated green-light emission (see figure for Commission Internationale de l'Eclairage (CIE) co-ordinates) is mainly from the QD layers (more than 99% of total emission).
ISSN
0935-9648 (print)
1521-4095 (online)
Language
English
URI
http://hdl.handle.net/10371/5654
DOI
https://doi.org/10.1002/adma.200801908

https://doi.org/10.1002/adma.200801908
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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