| 초록 |
The development of high performing water-borne inks made from semiconductors could be a breakthrough/milestone discovery in the realization of environmentally benign organic electronics. In this study, we suggest a novel method of fabricating water-borne colloids of semiconducting polymers for use in environmentally benign processes involving organic electronics, without compromising the high charge carrier mobility of the polymeric semiconductors. By developing smart surfactant engineering techniques, we could selectively remove residual surfactants after film deposition, rendering efficient inter-particle charge coupling and thus crystalline orientation. In addition, we also demonstrate green organic photodiode based on water process. Structural and chemical analyses showed that films consisting of polymer nanoparticles nearly free from surfactants maintained high degree of crystalline orientation, which was enough to render high charge carrier mobility as well as high detectivity. |
