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High-efficiency blue phosphorescent organic light-emitting diodes using a carbazole and carboline-based host material
- Authors
- 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
- Issue Date
- 2013
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- CHEMICAL COMMUNICATIONS, v.49, no.60, pp.6788 - 6790
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMICAL COMMUNICATIONS
- Volume
- 49
- Number
- 60
- Start Page
- 6788
- End Page
- 6790
- ISSN
- 1359-7345
- Abstract
- 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 alpha-carboline. pBCb2Cz (E-T = 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.
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