Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes
Tan, S. T.
Sun, X. W.
Demir, Hilmi Volkan
Proceedings of the Photonics Conference, IEEE 2014
534 - 535
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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.
Light emitting diodes
Semiconductor quantum dots
External quantum efficiency
Quantum-dot light emitting diodes
Published Version (Please cite this version)http://dx.doi.org/10.1109/IPCon.2014.6995486
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