White light from an electroluminescent diode made from poly[3(4-octylphenyl)-2,2'-bithiophene] and an oxadiazole derivative
Berggren, M. ; Gustafsson, G. ; Inganäs, O. ; Andersson, M. R. ; Hjertberg, T. ; Wennerström, O.
[S.l.] : American Institute of Physics (AIP)
Published 1994
[S.l.] : American Institute of Physics (AIP)
Published 1994
| ISSN: |
1089-7550
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|---|---|
| Source: |
AIP Digital Archive
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| Topics: |
Physics
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| Notes: |
We report on an electroluminescent diode emitting red, green, and blue light simultaneously. The device is based on a thin polymer layer, poly[3-(4-octylphenyl)-2,2'-bithiophene] and a thick molecular layer, 2-(4-biphenylyl)-5-(4-tertbutyl-phenyl)1,3,5-oxadiazole. The quantum efficiency for light conversion is 0.3% and the turn-on voltage for light emission is 7 V. In this article we present electric and spectroscopic characterizations. A mechanism for the light emission, based on electron and hole recombination between the two organic layers, is proposed. © 1994 American Institute of Physics.
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| Type of Medium: |
Electronic Resource
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| URL: |