Low-cost, large-scale, ordered ZnO nanopillar arrays for light extraction efficiency enhancement in quantum dot light-emitting diodes
Date
2014
Advisor
Instructor
Source Title
Proceedings of the Photonics Conference, IEEE 2014
Print ISSN
1092-8081
Electronic ISSN
Publisher
IEEE
Volume
Issue
Pages
534 - 535
Language
English
Type
Conference Paper
Journal Title
Journal ISSN
Volume Title
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.
Course
Other identifiers
Book Title
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