在聚2,7-(9,9-二辛基)芴(PFO)和30％的2-(对联苯基)-5-(对叔丁基苯基)-1,3,4-(噁)二唑(PBD)主体材料中掺杂短磷光寿命的meso-四(对正葵酰氧基苯基)卟啉铂(TDPPPt),制成聚合物基发光器件.器件结构为:ITO/PEDOT:PSS/PVK/PFO+ 30％ PBD:TDPPPt/Ca/Al(ITO:氧化铟锡；PE DOT:聚3,4-乙撑二氧噻吩；PSS:聚苯乙烯磺酸盐；PVK:聚乙烯基咔唑).当客体掺杂浓度≥3％时,器件给出饱和的红色发射.当驱动电压从7V升高至14 V时,器件发光色度保持不变,CIE(国际发光照明委员会)色坐标稳定在(0.66,0.28)左右.器件的最大亮度和电流效率分别为1 390 cd/m2和1.34 cd/A.在电流密度100×10-3和150×10-3 A/cm2时,电流效率分别为1.18和0.99 cd/A,器件在高电流密度下具有良好的稳定性.
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