欢迎登录材料期刊网

材料期刊网

高级检索

通过研究新型荧光材料2-(2-溴-5-乙烯-噻吩)-8-羟基喹啉锌(BTHQZn)的电致发光特性,发现BTHQZn具有良好的电致发光特性和空穴传输特性,利用此特性制备了掺杂型有机电致黄光器件,结构为ITO/2T-NATA(30 nm)/CBP:5%Ir(ppy)3:10%BTHQZn(20 nm)/Alq3(50 nm)/LiF(0.5 nm)/Al,器件在12 V时实现了黄绿光发射,最大发光亮度为4 552 cd/m2,色坐标为(0.395 4,0.497 6),在11 V电压下的最大发光效率为2.82 cd/A.

参考文献

[1] Tang C W,VanSlyke S A.Organic electroluminescent diodes[J].Appl.Phys.Lett.,1987,51(12):913(1-3).
[2] Burroughes J H,Bradley D D C,Brown A R,et al.Light-emitting diodes based on conjugated polymers[J].Nature,1990,347(6293):539-541.
[3] Xu Y H,Peng J B,Jiang X Y,et al.Efficient white-light-emitting diodes based on polymer codoped with two phosphorescent dyes[J].Appl.Phys.Lett.,2005,87(19):193502(1-3).
[4] 委福祥,曹进,张晓波,等.新型苯乙烯衍生物掺杂的蓝色及白色有机电致发光器件[J].物理学报,2006,55(4):2008-2013.
[5] Sato Y,Ogata T,Ichinosawa S,et al.Characteristics of organic electroluminescent devices with new dopants[J].Synthetic Metals,1997,91 (1-2):103-107.
[6] Huang J S,Yang K X,Liu S Y,et al.High-brightness organic double-quantum-well electroluminescent device[J].Appl.Phys.Lett.,2000,77(12):1750(1-3).
[7] Baldo M A,Thompson M E,Forrest S R.High-efficiency fluorescent organic light-emitting devices using a phosphorescent sensitizer[J].Nature,2000,403(6771):750-752.
[8] Tokito S,Lijima T,Tsuzuki T,et al.High-efficiency white phosphorescent organic light-emitting devices with greenish-blue and red-emitting layers[J].Appl.Phys.Lett.,2003,83(12):2459-2461.
[9] Li F,Cheng G,Zhao Y,et al.White-electrophosphorescence devices based on rhenium complexes[J].Appl.Phys.Lett.,2003,83(23):4716(1-3).
[10] Yang X H,Neher D.Polymer electrophosphorescence devices with high power conversion efficiencies[J].Appl.Phys.Lett.,2004,84(14):2476-2478.
[11] Cheng Gang,Li Feng,Duan Yu,et al.White organic light-emitting devices using a phosphorescent sensitizer[J].Appl.Phys.Lett.,2004,82(24):4224(1-3).
[12] 马晨,王华,郝玉英,等.一种新型结构的黄光有机电致发光器件[J].光谱学与光谱分析,2008,28(7):1479-1482.
[13] 王广德,丁桂英,姜文龙,等.基于TPAHQZn发光色度稳定的黄色OLED[J].液晶与显示,2009,24(4):497-500.
[14] Jiang Wenlong,Zhang Gang,Ding Guiying,et al.Yellow OLEDs with CzHQZn as hole-transporting and emitting layers[J].半导体光电,2009,30 (4):502-505.
[15] 丁桂英,姜文龙,汪津,等.基于N-对甲氧苯基咔唑2乙烯基-8-羟基喹啉锌的白色和黄色有机电致发光器件的性能[J].物理化学学报,2009,25(10):2068-2073.
[16] 丁桂英,姜文龙,常喜,等.基于N-乙基咔唑-2-乙烯基-8羟基喹啉锌的黄绿色有机电致发光器件的性能[J].物理化学学报,2009,25(5):958-962.
[17] 丁桂英,姜文龙,汪津,等.电子传输层中掺杂Ir(ppy) 改善白光OLED的效率[J].固体电子学研究与进展,2008,28(3):392-395,429.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%