Double-heterostructure electroluminescent device with cyanine-dye bimolecular layer as an emitter

Masanao Era, Chihaya Adachi, Tetsuo Tsutsui, Shogo Saito

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Using the Langmuir-Blodgett technique, we fabricated a double-heterostructure electroluminescent (EL) device with a J-aggregated cyanine-dye bimolecular layer as an emitting layer. The EL cells were composed of an indium tin oxide electrode, a diamine hole-transport layer, a J-aggregated cyanine-dye emitting layer, an oxadiazole electron-transport layer and an MgAg electrode. Efficient EL was observed in the EL device owing to the confinement of charge carriers and excitons within the cyanine-dye bimolecular layer. The EL spectrum corresponded well to resonance fluorescence of the J-aggregate.

Original languageEnglish
Pages (from-to)488-490
Number of pages3
JournalChemical Physics Letters
Volume178
Issue number5-6
DOIs
Publication statusPublished - Apr 5 1991

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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