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- W2000910663 abstract "In order to obtain a light emission with a red color, we have realized light-emitting diodes with an electroactive polymer: the poly(3-octylthiophene) or P3OT. The internal efficiency versus applied bias characteristic is very weak (ηint=0.025%). In order to improve the electron injection, we have inserted a 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4 oxadiazole (or butyl-PBD) layer between the polymer film and the calcium cathode. With this two-layer structure, we obtain a tenfold improvement in efficiency (ηint=0.25%). Lastly, we have used another material in order to obtain a confinement layer. With an 8-tris hydroxyquinoline aluminum (or Alq3) layer, the efficiency is better (0.8%) but we observe a color light change (yellow-orange). We discuss the phenomenon." @default.
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- W2000910663 date "1999-06-01" @default.
- W2000910663 modified "2023-10-18" @default.
- W2000910663 title "Realization of red light-emitting diodes with a confinement layer" @default.
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- W2000910663 doi "https://doi.org/10.1016/s0925-3467(99)00034-8" @default.
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