High-efficiency blue phosphorescent organic light-emitting diodes using a carbazole and carboline-based host material

A novel bipolar host 9-(4-(9H-pyrido[2,3-b]indol-9-yl)phenyl)-9H-3,9'-bicarbazole (pBCb2Cz) was prepared for high efficiency blue phosphorescent organic light-emitting diodes (PhOLEDs), a high triplet energy (ET) material, employing electron-deficient α-carboline. pBCb2Cz (ET = 2.93 eV) was eff...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2013-08, Vol.49 (60), p.6788-6790
Hauptverfasser:	Kim, Sun Jae, Kim, Young Jae, Son, Young Hoon, Hur, Jung A, Um, Hyun Ah, Shin, Jicheol, Lee, Tae Wan, Cho, Min Ju, Kim, Jung Keun, Joo, Sunghoon, Yang, Joong Hwan, Chae, Gee Sung, Choi, Kihang, Kwon, Jang Hyuk, Choi, Dong Hoon
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Sprache:	eng
Schlagworte:	Carbazoles Energy management Organic light-emitting diodes Quantum efficiency
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creator	Kim, Sun Jae Kim, Young Jae Son, Young Hoon Hur, Jung A Um, Hyun Ah Shin, Jicheol Lee, Tae Wan Cho, Min Ju Kim, Jung Keun Joo, Sunghoon Yang, Joong Hwan Chae, Gee Sung Choi, Kihang Kwon, Jang Hyuk Choi, Dong Hoon
description	A novel bipolar host 9-(4-(9H-pyrido[2,3-b]indol-9-yl)phenyl)-9H-3,9'-bicarbazole (pBCb2Cz) was prepared for high efficiency blue phosphorescent organic light-emitting diodes (PhOLEDs), a high triplet energy (ET) material, employing electron-deficient α-carboline. pBCb2Cz (ET = 2.93 eV) was effective as a host material for FIrpic- and FCNIrpic-based blue PhOLEDs, and highest quantum efficiencies of 23.0 and 16.2%, respectively, were achieved.
doi_str_mv	10.1039/c3cc42569j
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source	Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects	Carbazoles Energy management Organic light-emitting diodes Quantum efficiency
title	High-efficiency blue phosphorescent organic light-emitting diodes using a carbazole and carboline-based host material
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