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A new electron deficient core, benzothieno[3,2-c]pyridine (3BTP) functionalized at 3- position, was developed as the electron transport unit and a derivative of 3BTP, 3-(3-(9H-carbazol-9-yl)phenyl)benzothieno[3,2-c]pyridine (Cz3BTP), was synthesized as the triplet host material for green phosphorescent organic light-emitting diodes (PHOLEDs). The Cz3BTP host showed a triplet energy of 2.63 eV and...
Two Zn complexes, bis(2-(oxazol-2-yl)phenolate) zinc (ZnOx2) and bis(2-(1-methyl-1H-imidazol-2-yl)phenolate) zinc (ZnIm2), were synthesized as high triplet energy host materials for green and blue phosphorescent organic light-emitting diodes. High triplet energies of 2.71 eV and 2.84 eV were obtained for ZnOx2 and ZnIm2, respectively. Green and blue phosphorescent devices were fabricated using the...
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