摘要
Pure red organic light-emitting diodes based on a dinuclear europium complex with a structure of (TTA)3Eu(PYO)2Eu(TTA)3 (TTA = thenoyltrifluoroacetonate, PYO = pyridine N-oxide) were presented. The devices showed pure red emission at a peak wavelength of 612 nm with a full width at half maximum of 3 nm, which is a characteristic emission from Eu3+ ion based on 5D0 → 7F2 transition. The maximum brightness and electroluminescent (EL) efficiency reached 340 cd/m2 at a driving voltage of 19 V and 2.4 cd/A (0.78 lm/W) at a current density of 0.14 mA/cm2, respectively.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 1514-1517 |
| 页数 | 4 |
| 期刊 | Optical Materials |
| 卷 | 29 |
| 期 | 11 |
| DOI | |
| 出版状态 | 已出版 - 7月 2007 |
| 已对外发布 | 是 |
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