Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes
Date
2014
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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.
Source Title
Proceedings of the Photonics Conference, IEEE 2014
Publisher
IEEE
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Keywords
Nanopillar, 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, Quantum-dot light emitting diodes, Quantum efficiency
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English