Abstract
Thermally stable high-triplet-energy hole transport materials based on 8H-indolo[3,2,1-de]acridine core (FPC) were synthesized and the device performances of FPC-based phosphorescent organic light-emitting diodes (OLEDs) were investigated. The FPC-based hole transport materials showed a high triplet energy (above 2.90 eV) and high glass-transition temperature (above 140 °C). The FPC-based hole-transport materials (HTMs) were effective as the HTMs for green and deep-blue phosphorescent OLEDs, and a high quantum efficiency (over 20%) was achieved in both devices.
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Schedule a callMore From: Chemistry of materials : a publication of the American Chemical Society
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