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| 1 | 磷光与荧光相结合的多层白色有机发光器件显示文摘采用真空热蒸镀的方法制备了磷光与荧光相结合的多层白色有机电致发光器件(OLED)。将绿光[Ir(ppy)3]磷光掺杂染料掺杂到母体CBP中作为绿光发光层;荧光材料DCM2以亚单层的方式插入Alq3中作为红光发光层;DPVBi为蓝光发光层。器件的结构为ITO/NPB(40nm)/DPVBi(dnm)/CBP:Ir(ppy)38%(5nm)/Alq3(5nm)/DCM2(0.05nm)/Alq3(45nm)/LiF(1nm)/AI(200nm)。实验中通过改变蓝光发光层的厚度,得到了高效率的白光OLED,器件的最大电流效率可达6.75cd/A,最大功率效率达2.67lm/W,最大亮度达30440cd/m2。此外,当电压从4V变化到14V时色坐标从(0.59,0.39)变化到(0.35,0.38),基本处于白光区。本文器件的特点在于其性能可以通过简单调整DPVBi的厚度,避免了使用多掺杂层工艺的复杂性。 | 杨惠山 吴丽双 潘玉灼 | 2013 | 光电子.激光2013，24，4： | 6 |
| 2 | Effective adjustment of the optoelectronic properties of organic conjugated materials by synthesizing p-n diblock molecules显示文摘Because organic conjugated materials offer several advantages relative to their inorganic counterparts,the development of organic conjugated materials has been one of the most active research areas in optoelectronic materials.For almost two decades,the search for organic conjugated materials has represented a major driving force for research concerned with controlling the band gap of extended π-conjugated molecules.In particular,among the parameters affecting the performance of organic light-emitting diodes (OLEDs),the energy levels of organic conjugated materials play an important role because they can affect the driving voltage,wavelength,efficiency,and lifetime of the final device.Balanced injection and transport of electrons and holes are therefore crucial for achieving OLEDs with high quantum efficiency.In this regard,research into adjusting the energy levels of organic conjugated materials is very meaningful for the development of OLEDs.To adjust the energy levels of the organic conjugated materials,Huang et al.have presented a new molecular design and synthesis route that yields p-n diblock conjugated copolymers and oligomers.The present review summarizes and analyzes the progress on adjusting the optoelectronic properties of organic conjugated materials that is due to synthesizing p-n diblock molecules.We discusses primarily work done by Huang et al.,but also discusses work done elsewhere over the past few years.We also point out issues that require attention,and highlight hot spots that require further investigation. | JIANG HongJi | 2011 | Chinese Science Bulletin2011，56，2： | 3 |
| 3 | 不同荧光蓝光层厚度的OLED的制备与光电性能显示文摘采用蓝色荧光材料1p-TDPVBi结合绿色磷光材料2Ir(ppy)3掺杂到母体材料CBP作为绿光发光层,并且采用3BPhen作为电子传输层和激子阻挡层制备结构为ITO/m-MTDATA(50nm)/NPB(10nm)/p-TDPVBi(dnm)/CBP∶Ir(ppy)38%7nm/BPhen(60nm)/LiF(1nm)/Al的有机发光器件。实验结果表明:通过改变蓝光发光层p-TDPVBi的厚度,得到了高效率的有机发光器件,当p-TDPVBi厚度为5nm时,器件的电流效率和功率效率在4V时达到32.3cd/A和25.3lm/W,亮度在11V时达到31 020cd/m2。研究了p-TDPVBi厚度由3nm变化到9nm,OLED器件的电流密度-电压特性曲线、亮度-电压曲线及电流效率-电压和功率效率-电压等光电性能的变化。 | 杨惠山 黄淑华 | 2013 | 半导体光电2013，34，3： | 0 |
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