Efficient, deep-blue organic electrophosphorescence by guest charge trapping

R. J. Holmes, B. W. D'Andrade, S. R. Forrest, X. Ren, J. Li, M. E. Thompson

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Abstract

High efficient blue electrophorescence by charge trapping on guest molecules of FIr6 doped into the wide-energy-gap hosts UGH1 and UGH2 was demonstrated. The EL of FIr6 in a host-guest system was noticeably "bluer" in color at (0.16,0.26) than the previously studied phosphorescent blue emitter iridium(III)bis[4,6-difluorophenyl)-pyridinato-N,C2′]picolinate (FIrpic), which has CIE coordinates of (0.16, 0.37)2.

Original languageEnglish (US)
Pages (from-to)3818-3820
Number of pages3
JournalApplied Physics Letters
Volume83
Issue number18
DOIs
StatePublished - Nov 3 2003

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Holmes, R. J., D'Andrade, B. W., Forrest, S. R., Ren, X., Li, J., & Thompson, M. E. (2003). Efficient, deep-blue organic electrophosphorescence by guest charge trapping. Applied Physics Letters, 83(18), 3818-3820. https://doi.org/10.1063/1.1624639