将新型稀土配合物TbY(m-MOBA)6(phen)2·2H2O掺杂到导电聚合物PVK中改善了铽配合物的成膜特性和导电性质.用此掺杂体系制作了单层发光器件,发现掺杂浓度为1:5,甩膜转速为1000r·min-1时器件的发光效果最好,起亮电压为9 V,最大亮度在17 V时达到15.7cd·m-2.对比[Tb(m-MOBA)3phen]2·2H2O的单层器件的发光,说明Y3+的存在促进了PVK到Tb3+的能量传递.
参考文献
[1] | Tang C W;VanSlyke S A .Organic electroluminescent diodes[J].Applied Physics Letters,1987,51(12):913. |
[2] | Tang C W;Vanslyke S A;Chen C H .Electroluminescence of doped organic thin films[J].Japanese Journal of Applied Physics,1989,65(09):3610. |
[3] | Yang Chunhe;He Gufeng;Wang Rongqiu et al.The addition of viologen in luminescent polymers for polymer light-emitting diodes[J].Thin Solid Films,2000,363:218. |
[4] | Cao Y;Parker I D;Yu G et al.Improved quantum efficiency for electroluminescence in semiconducting polymers[J].NATURE,1998,397:414. |
[5] | Burroughes J H;Bradley D D C;Brown A R et al.Lightemitting diodes based on conjugated polymers[J].Nature,1990,347:539. |
[6] | 卞祖强,黄春辉.影响稀土配合物电致发光性能的几个重要因素[J].中国稀土学报,2004(01):7-16. |
[7] | Kido J;Nagai K;Okamoto Y.Electroluminescence from polysilane film doped with europium complex[J].Chemistry Letters,1991(235):1267. |
[8] | Kido J;Hayase H;Hongawa K.Bright red light emitting organic electroluminescent devices having a europium complex as an emitter[J].Applied Physics Letters,1994(65):2124. |
[9] | Wang Shuping;Wang Ruifen;Liu Cuige .Luminescent Properties of Bi-Rare Earth Complexes with m-methylbenzoic Acid and 1, 10-phenanthroline[J].Journal of Rare Earths,2002(5):453-456. |
[10] | 白峰,邓振波,高新,李勇,徐怡庄,吴瑾光.苯甲酰水杨酸铽与PVK混合体系的发光特性[J].中国稀土学报,2002(06):652-655. |
[11] | Gao Xin;Li Yong;Xu Yizhuang et al.Enhanced brightness of Eu3+ complex in organic electroluminescene devices by using anotherrare-earth ion[J].Chinese Physics Letters,2002,19(12):1884. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%