【摘要】：有機(jī)發(fā)光二極管中關(guān)于材料的研究已經(jīng)取得了巨大的成果,但是對(duì)于器件工藝以及設(shè)計(jì)思路的研究還很匱乏。本文重點(diǎn)進(jìn)行器件制備工藝和設(shè)計(jì)思路的研究,并基于藍(lán)色熒光配合物和綠色磷光配合物分別設(shè)計(jì)并制備單發(fā)光層、雙發(fā)光層和過渡金屬配合物敏化型的器件,進(jìn)而研究所得器件的發(fā)光過程。分別以藍(lán)色熒光配合物BCzVBi和綠色磷光配合物(tfmppy)2Ir(tpip)制備的器件,經(jīng)過優(yōu)化發(fā)光材料的摻雜濃度和各功能層厚度,最終獲得高性能。所得最優(yōu)化器件的具體性能參數(shù)分別為:最大外量子效率8.0%/25.3%、最大電流效率11.99/102.29 cd/A、最大功率效率10.91/88.67 lm/W和最大亮度36060/96268 cd/m2。在藍(lán)色熒光器件中摻雜發(fā)光材料的TcTa和26DCzPPy層分別起到主導(dǎo)發(fā)光層和輔助發(fā)光層的作用,從而拓寬了復(fù)合區(qū)間。而在綠色磷光器件中,敏化劑分子作為電子深束縛中心促進(jìn)了載流子的平衡。通過對(duì)材料的光致發(fā)光光譜及三重態(tài)能級(jí)進(jìn)行研究發(fā)現(xiàn),敏化劑分子并未起到主體材料26DCzPPy到發(fā)光材料(tfmppy)2Ir(tpip)之間能量傳遞的階梯作用。
[Abstract]:Great achievements have been made in the research of materials in organic light-emitting diode (OLED), but the research on device technology and design ideas is still scarce. In this paper, the fabrication process and design idea of the device are studied, and the single luminous layer, double luminous layer and transition metal complex sensitized devices are designed and fabricated based on the blue fluorescence complex and the green phosphorescence complex, respectively. Furthermore, the luminous process of the device is studied. The devices prepared by blue fluorescent complex BCzVBi and green phosphorescence complex (tfmppy) 2Ir (tpip) were prepared by optimizing the doping concentration of luminous materials and the thickness of each functional layer. The specific performance parameters of the optimized device are as follows: the maximum external quantum efficiency is 8.0% 鈮，

本文編號(hào)：2493095