Improvement of electroluminescence performance of organic light-emitting diodes with a liquid-emitting layer by introduction of electrolyte and a hole-blocking layer

Shuzo Hirata, Korefumi Kubota, Heo Hyo Jung, Osamu Hirata, Kenichi Goushi, Masayuki Yahiro, Chihaya Adachi

Research output: Contribution to journalArticlepeer-review

79 Citations (Scopus)

Abstract

Organic light-emitting diodes containing a liquid emitting layer that exhibit improved external electroluminescence quantum efficiency (Î∥EL) and maximum luminance are presented. Doping the liquid emitting layer with an electrolyte significantly decreases the turn-on voltage for electroluminescence. Insertion of a TiO2 hole-blocking layer between the liquid emitting layer and indium tin oxide cathode improves Î∥EL.

Original languageEnglish
Pages (from-to)889-893
Number of pages5
JournalAdvanced Materials
Volume23
Issue number7
DOIs
Publication statusPublished - Feb 15 2011

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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