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- Kwon, Tae-Hyuk
- Energy Recognition Lab.
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Efficient blue phosphorescent host through nonbonded conformational locking interactions
- Author(s)
- Kwon, Jongchul, Kwon, Tae-Hyuk, Cho, Hyo Soon, Kim, Myoung Ki, Shin, Ik-Soo, Shin, Dae-Yup, Park, Su Jin, Hong, Jong-In
- Issued Date
- 2008-08
- DOI
- 10.1039/b714231c
- Citation
- NEW JOURNAL OF CHEMISTRY, v.32, no.8, pp.1368 - 1372
- Abstract
- We developed a new host material TCTEB with a conformationally homogeneous, sterically bulky structure due to nonbonded interactions between adjacent methylene groups. The host presented good thermal stability (Tg = 122°C and Td = 321°C) and high triplet energy (3.0 eV). The maximum quantum efficiency, current efficiency and power efficiency of the OLED device using the TCTEB host were 8.5%, 13.7 cd A-1, and 11.3 lm W-1, respectively, when doped with 8 wt% FIrpic.
- Publisher
- ROYAL SOC CHEMISTRY
- ISSN
- 1144-0546
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