Abstract
In this study, we proposed two carbazole-benzonitrile-based bipolar hosts, namely 2,6-bis(3-(9H-carbazol-9-yl)phenoxy)benzonitrile and 2,6-bis(4-(9H-carbazol-9-yl)phenoxy)benzonitrile, for improving the efficiency of blue phosphorescent organic light-emitting diodes.
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