At last , we studied the role of impurities in oel . the solvent used in different thin film conformation of non - conjugated oligmer , ( alq oligmer ) could influence the luminescent characteristic of pleds ( 1 )非共轭聚合物,喹啉铝寡聚物因溶剂不同而导致成膜特性改变,从而影响器件发光特性。