We have overcome the synthetic difficulty of 9,90,90 0,90 0 0,90 0 0 0,90 0 0 0 0-((phenylsilanetriyl) tris(benzene-5,3,1-Triyl))hexakis(9H-carbazole) (SimCP3) an advanced homologue of previously known SimCP2 as a solution-processed, high triplet gap energy host material for a blue phosphorescence dopant. A series of organic light-emitting diodes based on blue phosphorescence dopant iridium (III) bis(4,6-difluorophenylpyridinato)picolate, FIrpic, were fabricated and tested to demonstrate the validity of solution-processed SimCP3 in the device fabrication.
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