2AcINN, 26AcINN, and 26PXZINN, were developed as a series of thermally activated delayed fluorescence (TADF) emitters. These emitters showed reasonably high photoluminescence quantum yields of 71–79 % in the host films and high power efficiency organic light‐emitting diodes (OLEDs). Sky‐blue emitter 26AcINN exhibited a low turn‐on voltage of 2.9 V, a high external quantum efficiency (ηext) of 22 %, and
在本文中,9,10-二氢-9,9- dimethylacridine(AC)或
吩恶嗪(PXZ) -取代的异
烟腈(INN)衍
生物,表示为2AcINN,26AcINN,和26PXZINN,被开发作为一系列热活化延迟荧光的(TADF )发射器。这些发射器在主体膜和高功率效率的有机发光二极管(OLED)中显示出较高的71-79%的光致发光量子产率。天蓝色的发射极26AcINN表现出低的接通2.9 V,高外量子效率(的电压η EXT的22%),和高功率效率(η p 66流明W的)-1有佣
金国际照明委员会(CIE)的(0.22,0.45),而绿色发光体的色度坐标26PXZINN表现出低的接通2.2 V,高的电压η EXT的22%,和高的η p 99流明具有CIE色度坐标为(0.37,0.58)的W -1。这些性能是迄今为止TADF OLED最好的性能之一。