Substitution Effect on Carbazole-centered Donors for Tuning Exciplex Systems as Cohost for Highly Efficient Yellow and Red OLEDs
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Three new carbazole-based hole-transporting materials PTCz-9’Cz, PTCz-3’TCz, and PTCz-NTol2 were synthesized, characterized, and examined the propensity of exciplex formation with electron-transporting material PO-T2T. Through enhancing the electron-donating ability of the...
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2012 ◽
Vol 23
(14)
◽
pp. 1781-1788
◽