Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes
- Yang X.
- Dev, K.
- Wang J.
- Mutlugun, E.
- Dang, C.
- Zhao, Y.
- Tan, S.T.
- Sun X.W.
- Demir, H. V.
Publication date
January 2014
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)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. © 2014 IEEE
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