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      • Department of Electrical and Electronics Engineering
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      Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes

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      Author
      Yang, X.
      Dev, K.
      Wang, J.
      Mutlugün, E.
      Dang, C.
      Zhao, Y.
      Tan, S. T.
      Sun, X. W.
      Demir, Hilmi Volkan
      Date
      2014
      Source Title
      Proceedings of the Photonics Conference, IEEE 2014
      Print ISSN
      1092-8081
      Publisher
      IEEE
      Pages
      534 - 535
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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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.
      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
      Permalink
      http://hdl.handle.net/11693/27030
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/IPCon.2014.6995486
      Collections
      • Department of Electrical and Electronics Engineering 3529
      • Department of Physics 2299
      • Institute of Materials Science and Nanotechnology (UNAM) 1776
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