Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes
Date
2014Source Title
Proceedings of the Photonics Conference, IEEE 2014
Print ISSN
1092-8081
Publisher
IEEE
Pages
534 - 535
Language
English
Type
Conference PaperItem Usage Stats
156
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views
117
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downloads
Abstract
We report a QLED with enhanced light outcoupling efficiency by applying a layer of periodic ZnO nanopillar arrays. The resulting QLED reaches the record external quantum efficiency (EQE) of 9.34% in green-emitting QLEDs with a similar device structure.
Keywords
NanopillarQLED
Quantum dots
ZnO
Efficiency
Light emitting diodes
Nanocrystals
Nanostructures
Photonics
Semiconductor quantum dots
Zinc oxide
External quantum efficiency
Light outcoupling
Light-extraction efficiency
Nano-pillar arrays
Quantum-dot light emitting diodes
Quantum efficiency
Permalink
http://hdl.handle.net/11693/27030Published Version (Please cite this version)
http://dx.doi.org/10.1109/IPCon.2014.6995486Collections
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