High-Efficiency Solution-Processed Small Molecule Electrophosphorescent Organic Light-Emitting Diodes
High-Efficiency Solution-Processed Small Molecule Electrophosphorescent Organic Light-Emitting Diodes
复制标题
DOI：
10.1002/adma.201101154
复制
发表时间：
2011-08-16
影响因子：
29.4
通讯作者：
Shinar, Joseph
中科院分区：
文献类型：
--
作者：
Cai, Min;Xiao, Teng;Shinar, Joseph
基于掺有电子和空穴传输分子的发绿光的Ir（mppy）（3）掺杂的4，4 '-双（9-咔唑基）联苯（CBP）的旋涂小分子有机发光二极管（OLED）被证明具有非常高的效率（高达60 Im/W和69 Cd/A，而没有任何外耦合增强，其可以与高质量的微透镜阵列一起翻倍）。一个额外的电子传输/空穴阻挡BPhen层上的活性层，然后由LiF/Al阴极热蒸发。
Spin-coated small-molecule organic light-emitting diodes (OLEDs) based on green-emitting Ir(mppy)(3)-doped 4,4'-bis(9-carbazolyl)-biphenyl (CBP) blended with electron- and hole-transporting molecules are demonstrated to have very high efficiencies (up to 60 Im/W and 69 Cd/A without any outcoupling enhancement, which can double with a high-quality microlens array). An additional electron-transporting/hole-blocking BPhen layer is thermally evaporated on the active layer, followed by the LiF/Al cathode.