Journal
CHEMICAL COMMUNICATIONS
Volume 49, Issue 84, Pages 9860-9862Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc44944k
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Two hostmaterials, 9-(3-(9H-carbazol-9-yl)-[1,1':2',1-terphenyl]-3-yl)-alpha-carboline (CzOTCb) and 3,3-bis(alpha-carbolin-9-yl)-1,1':2',1-terphenyl (CbOTCb), derived from carboline and ortho-linked terphenyl were synthesized as high triplet energy materials and showed a high triplet energy of 2.90 eV. CzOTCb and CbOTCb were evaluated as the host materials for blue phosphorescent organic light-emitting diodes and high quantum efficiencies of 27.4% and 28.8% were obtained using the CzOTCb and CbOTCb hosts, respectively.
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