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Feasibility of polarized phosphorescent organic light-emitting devices (OLEDs) had been previously demonstrated by combining a discotic Pt(II) complex with a glassy-nematic oligofluorene host to form a mesogenic host–guest phosphorescent emitting system. Previous photophysical studies suggested that in the host–guest film, the Pt(II) complex tended to aggregate into columnar stacks, exhibiting metal–metal-to-ligand...
We report successful realization of workable polarized phosphorescent organic light-emitting devices (OLEDs) by combining a recently developed mesogenic phosphorescent Pt(II) complex and a mesogenic oligofluorene host to form the corresponding mesogenic host–guest emitting system. In the host–guest film, the mesogenic Pt(II) complex tends to aggregate and self-assemble into the columnar stacking arrangement,...
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