In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction.

自从1987年C.W.Tang等人报道了以8-羟基喹啉（Alq3）光层制备的高亮度电致光器件以来，有机金属配光材料及其器件加工工艺成有机电致光领域的一个研究热点。