Novel carbazole/fluorene hybrids: Host materials for blue phosphorescent OLEDs
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DOI
10.1021/ol060884c
Abstract
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.