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Novel carbazole/fluorene hybrids: host materials for blue phosphorescent OLEDs
Ping-I Shih1, Chih-Long Chiang, Ajay Kumar Dixit
1Department of Applied Chemistry, National Chiao Tung University, Hsin-Chu, Taiwan.
Organic Letters
|June 16, 2006
Abstract:
[reaction: see text] A series of carbazole/fluorene (CBZm-Fn) hybrids were effectively synthesized through Friedel-Crafts-type substitution of the carbazole rings. These compounds were thermally and morphologically stable host materials for OLED applications. Efficient blue phosphorescent OLEDs were obtained when employing CBZ1-F2 as the host and FIrpic as the guest.

