Electroluminescent (EL) diodes utilizing poly(3-alkylthiophene) (P3AT) containing fluorescent dyes have been fabricated. It has more than 500 times higher EL efficiency in P3AT diodes doped with (1,2,3,4,5-pentaphenyl-1,3-cyclopentadiene) (PPCP) than in undoped diode. The mechanism of emission enhancement in P3AT diodes with different alkyl side chains has been discussed in terms of carrier confinement and energy band diagram.
Efficient emission from poly(3-alkylthiophene) light emitting diode with different alkyl-side-chain lengths by doping of dye molecules
01.01.1996
215938 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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