Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes
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Date
2014Journal Title
2014 IEEE Photonics Conference, IPC 2014
Publisher
Institute of Electrical and Electronics Engineers Inc.
Pages
534 - 535
Language
English
Type
Conference PaperItem Usage Stats
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http://hdl.handle.net/11693/27030Abstract
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. © 2014 IEEE.
Published as
http://dx.doi.org/10.1109/IPCon.2014.6995486Keywords
light-emitting diodesnanopillar
QLED
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
NanoPillar
QLED
Quantum-dot light emitting diodes
ZnO
Quantum efficiency
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