Spectral properties of resonant-cavity, polyfluorene light-emitting diodes

R. B. Fletcher, D. G. Lidzey, D. D.C. Bradley, M. Bernius, S. Walker

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

We report on the fabrication and device properties of light-emitting resonant cavity conjugated-polymer diodes. The microcavity structures were constructed using a dielectric mirror, an indium-tin-oxide anode, a green light-emitting polyfluorene blend, and a metal (cathode) mirror. The best performance was obtained for a composite calcium-aluminum cathode, that combines high reflectivity with a low workfunction. This structure emitted electroluminescence with a linewidth of 12 nm and a maximum brightness of 300 cd m-2 at a bias of 35 V with an efficiency of 0.95 cd A-1. © 2000 American Institute of Physics.
Original languageEnglish (US)
JournalApplied Physics Letters
Volume77
Issue number9
DOIs
StatePublished - Aug 28 2000
Externally publishedYes

Bibliographical note

Generated from Scopus record by KAUST IRTS on 2019-11-27

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