Abstract
通过在Ag层中引入一层Ge薄膜,获得了具有低反射率和高反射相移的Ag/Ge/Ag复合阳极,并制备了基于该阳极的蓝光顶发射有机电致发光器件。阳极高的反射相移使得器件在有机层厚度为100 nm时获得了顶发射蓝光发射,且阳极较低的反射率减弱了器件内的微腔效应,使得其电致发光光谱在不同视角下具有良好的稳定性。当Ge的厚度为20 nm时,器件性能表现最为优良,最高亮度和最大电流效率分别可达3 612 cd/m2和5.4 cd/A,且色坐标在视角从0°变化到60°时仅移动了(0.007,0.006)。
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