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Cited by 942

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Bright and Efficient Full-Color Colloidal Quantum Dot Light-Emitting Diodes Using an Inverted Device Structure

Kwak, Jeonghun, Bae, Wan Ki, Lee, Donggu, Park, Insun, Lim, Jaehoon, Park, Myeongjin, Cho, Hyunduck, Woo, Heeje, Yoon, Do Y., Char, Kookheon, Lee, Seonghoon, Lee, Changhee·2012·Nano Letters

Abstract

We report highly bright and efficient inverted structure quantum dot (QD) based light-emitting diodes (QLEDs) by using solution-processed ZnO nanoparticles as the electron injection/transport layer and by optimizing energy levels with the organic hole transport layer. We have successfully demonstrated highly bright red, green, and blue QLEDs showing maximum luminances up to 23,040, 218,800, and 2250 cd/m(2), and external quantum efficiencies of 7.3, 5.8, and 1.7%, respectively. It is also noticeable that they showed turn-on voltages as low as the bandgap energy of each QD and long operational lifetime, mainly attributed to the direct exciton recombination within QDs through the inverted device structure. These results signify a remarkable progress in QLEDs and offer a practicable platform for the realization of QD-based full-color displays and lightings.

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Crossref · 10.1021/nl3003254

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Metadata

Authors
Kwak, J., Bae, W. K., Lee, D., Park, I., Lim, J., Park, M., Cho, H., Woo, H., Yoon, D. Y., Char, K., Lee, S., & Lee, C.
Venue
Nano Letters
Published
2012-04-06
Volume
12
Issue
5
Pages
2362-2366
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2004235995
Cited by
942
References
1
FWCI
27.37
Type
journal article
Language
en
Open access
closed

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