Highly efficient organic light-emitting diodes with a quantum dot interfacial layer

Seung Yoon Ryu, Byoung Har Hwang, Ki Wan Park, Hyeon Seok Hwang, Jin Woo Sung, Hong Koo Baik, Chang Ho Lee, Seung Yong Song, Jun Yeob Lee

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Advanced organic light-emitting diodes (OLEDs), based on a multiple structure, were achieved in combination with a quantum dot (QD) interfacial layer. The authors used core/shell CdSe/ZnS QDs passivated with trioctylphosphine oxide (TOPO) and TOPO-free QDs as interlayers. Multiple-structure OLEDs (MOLEDs) with TOPO-free QDs showed higher device efficiency because of a well-defined interfacial monolayer formation. Additionally, the three-unit MOLED showed high performance for device efficiency with double-structured QD interfacial layers due to the enhanced charge balance and recombination probability.

Original languageEnglish
Article number065204
JournalNanotechnology
Volume20
Issue number6
DOIs
Publication statusPublished - 2009 Apr 27

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Organic light emitting diodes (OLED)
Semiconductor quantum dots
Oxides
Monolayers
trioctyl phosphine oxide

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Ryu, S. Y., Hwang, B. H., Park, K. W., Hwang, H. S., Sung, J. W., Baik, H. K., ... Lee, J. Y. (2009). Highly efficient organic light-emitting diodes with a quantum dot interfacial layer. Nanotechnology, 20(6), [065204]. https://doi.org/10.1088/0957-4484/20/6/065204
Ryu, Seung Yoon ; Hwang, Byoung Har ; Park, Ki Wan ; Hwang, Hyeon Seok ; Sung, Jin Woo ; Baik, Hong Koo ; Lee, Chang Ho ; Song, Seung Yong ; Lee, Jun Yeob. / Highly efficient organic light-emitting diodes with a quantum dot interfacial layer. In: Nanotechnology. 2009 ; Vol. 20, No. 6.
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Ryu, SY, Hwang, BH, Park, KW, Hwang, HS, Sung, JW, Baik, HK, Lee, CH, Song, SY & Lee, JY 2009, 'Highly efficient organic light-emitting diodes with a quantum dot interfacial layer', Nanotechnology, vol. 20, no. 6, 065204. https://doi.org/10.1088/0957-4484/20/6/065204

Highly efficient organic light-emitting diodes with a quantum dot interfacial layer. / Ryu, Seung Yoon; Hwang, Byoung Har; Park, Ki Wan; Hwang, Hyeon Seok; Sung, Jin Woo; Baik, Hong Koo; Lee, Chang Ho; Song, Seung Yong; Lee, Jun Yeob.

In: Nanotechnology, Vol. 20, No. 6, 065204, 27.04.2009.

Research output: Contribution to journalArticle

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AU - Lee, Chang Ho

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