Charge carrier trapping effect by luminescent dopant molecules in single-layer organic light emitting diodes

Masahiro Uchida, Chihaya Adachi, Toshiki Koyama, Yoshio Taniguchi

Research output: Contribution to journalArticle

199 Citations (Scopus)

Abstract

The electroluminescent (EL) behaviors of single-layer organic light emitting diode (SOLED), with inert polymers as binder and coumarin 6 or rubrene as dopants, were investigated. The photoluminescence and EL spectra and current density-voltage-luminance characteristics showed the charge carrier trapping and energy transfer processes as a function of dopant concentrations. EL quantum efficiency was enhanced by the carrier trapping of rubrene molecules.

Original languageEnglish
Pages (from-to)1680-1687
Number of pages8
JournalJournal of Applied Physics
Volume86
Issue number3
DOIs
Publication statusPublished - 1999
Externally publishedYes

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charge carriers
light emitting diodes
trapping
luminance
quantum efficiency
molecules
energy transfer
current density
photoluminescence
polymers
electric potential

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Charge carrier trapping effect by luminescent dopant molecules in single-layer organic light emitting diodes. / Uchida, Masahiro; Adachi, Chihaya; Koyama, Toshiki; Taniguchi, Yoshio.

In: Journal of Applied Physics, Vol. 86, No. 3, 1999, p. 1680-1687.

Research output: Contribution to journalArticle

Uchida, Masahiro ; Adachi, Chihaya ; Koyama, Toshiki ; Taniguchi, Yoshio. / Charge carrier trapping effect by luminescent dopant molecules in single-layer organic light emitting diodes. In: Journal of Applied Physics. 1999 ; Vol. 86, No. 3. pp. 1680-1687.
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