Degraded efficiency of blue phosphorescent organic light-emitting diode through aging in ambient condition

Sungkyu Lee, Ho Won Lee, Inyeob Na, Song Eun Lee, Jae Woo Lee, Han Kyu Yoo, Kyo Min Hwang, Gyu-Tae Kim, Jaehoon Park, Young Kwan Kim

Research output: Contribution to journalArticle

Abstract

We demonstrated the influence of the air on blue phosphorescent organic light-emitting diodes by exposing the position of organic layers for various ambient exposure times to construct the disordered organic-organic interface in this work. To compare the effects of each hole and electron transporting path, organic layers were exposed according to the exciton blocking layer and emitting layer. Then we analyzed electrical and morphological properties using current-voltage-luminance measurement as well as other electrical and chemical analysis, such as impedance spectroscopy and X-ray photoelectron spectroscopy.

Original languageEnglish
Pages (from-to)10319-10324
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Volume16
Issue number10
DOIs
Publication statusPublished - 2016 Oct 1

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Keywords

  • Ambient exposure
  • Blue phosphorescent organic light-emitting diode
  • Degradation
  • Organic-organic interface

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Lee, S., Lee, H. W., Na, I., Lee, S. E., Lee, J. W., Yoo, H. K., Hwang, K. M., Kim, G-T., Park, J., & Kim, Y. K. (2016). Degraded efficiency of blue phosphorescent organic light-emitting diode through aging in ambient condition. Journal of Nanoscience and Nanotechnology, 16(10), 10319-10324. https://doi.org/10.1166/jnn.2016.13152