Abstract
A solution-processable bipolar material tBu-OXDTFA comprising an electron-rich triphenylamine core and electron-deficient oxadiazole/fluorene peripheries was synthesized. This dendrimer-like molecule not only possesses a high triplet energy (2.74 eV) but also exhibits excellent film-forming properties upon solution processing. We achieved highly efficient white electrophosphorescent OLEDs (22.3 cd A-1, 11.6%) through solution processing, wherein the single white emitting layer was readily formed after spin-coating a solution of blue- and red-phosphor co-dopants containing tBu-OXDTFA as the host matrix.
| Original language | English |
|---|---|
| Pages (from-to) | 3461-3466 |
| Journal | Journal of Materials Chemistry |
| Volume | 18 |
| Issue number | 29 |
| Online published | 16 Jun 2008 |
| DOIs | |
| Publication status | Published - 2008 |
| Externally published | Yes |
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