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- W1976434054 abstract "Abstract We have succeeded in obtaining polarity-dependent color-variable emission from polymer electroluminescent (EL) devices with a three-layer structure. The emissive polymers used are poly(3-dodecylthiophene), poly( p -phenylenevinylene) and its derivative, and poly(9,9-dihexylfluorene). The emissive layers are separated by a layer of wide-band-gap hole-transporter, poly(N-vinylcarbazole) or an aromatic diamine, N,N′-diphenyl-N,N′-bis(3-methylphenyl)-[1,1′-biphenyl]-4,4′-diamine. When the EL devices are operated under forward or reverse bias, they exhibit the emission from the negatively-biased polymer layer. The energy band diagram of the devices implies that the separating layer confines excitons in the negatively-biased polymer layer" @default.
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- W1976434054 date "1997-01-01" @default.
- W1976434054 modified "2023-09-28" @default.
- W1976434054 title "Multilayer polymer electroluminescent devices: Color-variable emission through charge carrier confinement" @default.
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- W1976434054 doi "https://doi.org/10.1016/s0379-6779(97)80858-2" @default.
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