Abstract
An organic light-emitting diode fabricated by doping a europium complex tris(dibiphenoylmethane)-mono (phenanthroline)-europium (Eu(DBPM)3(Phen)) into polymer poly(2-methoxy-5-(2-ethyl-hexyloxy)-1,4-phenylene) and poly(N-carbazole) was realized by spin coating. Comparison with other europium complexes, due to the existence of a larger spectral overlap between Eu(DBPM)3(Phen) and poly(2-methoxy-5-(2-ethyl-hexyloxy)-1,4-phenylene), a high efficiency red emission was achieved. The device showed a turn-on voltage of 5.2 V. The maximum efficiency reached 0.47 cd/A at luminance of 50 cd/m2. The maximum luminance can reach 150 cd/m2 at 95 mA/cm2. To the best of our knowledge, this is one of the best results based on europium complexes by spin-casting method.
| Original language | English |
|---|---|
| Pages (from-to) | 2419-2422 |
| Number of pages | 4 |
| Journal | Thin Solid Films |
| Volume | 515 |
| Issue number | 4 |
| DOIs | |
| State | Published - 5 Dec 2006 |
| Externally published | Yes |
Keywords
- Doping
- Europium complex
- Organic light-emitting diodes