Efficient inverted top-emitting organic light emitting diodes with transparent and surface-modified multilayer anodes

Seung Yoon Ryu, Chang Ho Lee, Il Soo Oh, Seung Yong Song, Kyu Hwan Hwang, Hyeon Seok Hwang, Man Hyeop Han, Byoung Har Hwang, Hong Koo Baik, Youn Sang Kim, Jun Yeob Lee

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Abstract

Highly transparent and efficient red phosphorescent inverted top-emitting organic light emitting diodes were investigated by using a surface-modified tungsten oxide (WO3)/silver/WO3 (WAW) anode. A thin buckminsterfullerene (C60) dipole layer was introduced for the surface treatment of the WAW anode, and the thickness of the surface-modified WO3 was controlled to optimize the WAW anode for hole injection. The optimum thickness of the surface-modified WO3 was 5 nm, and the C60 dipole layer further improved the hole injection from the WAW anode to the hole transport layer.

Original languageEnglish
Pages (from-to)J43-J46
JournalElectrochemical and Solid-State Letters
Volume13
Issue number5
DOIs
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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  • Cite this

    Ryu, S. Y., Lee, C. H., Oh, I. S., Song, S. Y., Hwang, K. H., Hwang, H. S., Han, M. H., Hwang, B. H., Baik, H. K., Kim, Y. S., & Lee, J. Y. (2010). Efficient inverted top-emitting organic light emitting diodes with transparent and surface-modified multilayer anodes. Electrochemical and Solid-State Letters, 13(5), J43-J46. https://doi.org/10.1149/1.3313353