世界各国研究人员仍在寻求更好的OLED发光材料。波兰科学院物理化学研究所研制的两种新型铕配合物红色发光材料,其发光效率超过同类其他材料。采用这两种材料制备的OLED发光薄膜具有成本低廉、工序简单的优势。这两种化合物均采用氧化膦(含磷-碳键的有机化合物的氧化物)作为铕离子配合物的配体制成的。苏 Researchers from all over the world are still looking for better OLED luminescent materials. Two new europium complex red luminescent materials developed by Institute of Physical Chemistry, Polish Academy of Sciences have higher luminous efficiency than other similar materials. The OLED luminescent film prepared by using these two materials has the advantages of low cost and simple process. Both of these compounds are made from phosphine oxides (oxides of phosphorus-carbon bond-containing organic compounds) as ligands for europium ion complexes. Su