Electroluminescence and photoluminescence of two fluorinated dyes emitting in the blue and in the green, blended with polyvinylcarbazole and an oxadiazole compound, are reported. Organic light-emitting diodes realized with about 0.1 wt % dye concentration show interesting performances. Excited state complexes reduce the effectiveness of energy transfer in the blue-emitting device while, for the green-emitting device, the main mechanism of exciton generation is based on charge trapping at the emissive dye. (C) 2005 American Institute of Physics.
Giovanella, U., Botta, C., Papagni, A., Tubino, R., Miozzo, L. (2005). Electroluminescence from two fluorinated organic emitters embedded in polyvinylcarbazole. APPLIED PHYSICS LETTERS, 87(17), 171910 [10.1063/1.2115079].
Electroluminescence from two fluorinated organic emitters embedded in polyvinylcarbazole
PAPAGNI, ANTONIO;TUBINO, RICCARDO;
2005
Abstract
Electroluminescence and photoluminescence of two fluorinated dyes emitting in the blue and in the green, blended with polyvinylcarbazole and an oxadiazole compound, are reported. Organic light-emitting diodes realized with about 0.1 wt % dye concentration show interesting performances. Excited state complexes reduce the effectiveness of energy transfer in the blue-emitting device while, for the green-emitting device, the main mechanism of exciton generation is based on charge trapping at the emissive dye. (C) 2005 American Institute of Physics.
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