Synthesis and study of organic light emitting materials

© 2011 Dr. Inam ul Haq RajaSince the discovery of electroluminesence from organic materials, there has been a considerable amount of research, time and efforts devoted to developing conjugated materials as the active units in light emitting devices for use in display applications. This thesis describes the synthesis and study of organic materials to achieve high efficiency in organic light emitting devices (OLEDs). A number of blue fluorescent and green to blue phosphorescent host polymers based on dibenzophosphole oxides have been synthesized and studied. Effect of the structure of polymer backbone and different substituents on optical properties has been studied and described. In addition, the synthesis and the study of polymers based on phosphine oxides have been described which are potential charge-transporting high triplet energy materials. All these polymers are thermally stable, blue fluorescent, potential hosts for green and blue phosphorescent guests and expected to facilitate charge transport in OLEDs