Archiviertes Physik-Kolloquium:

19. Nov. 2015, 16:15 Uhr, Gebäude NW1, Raum H3

Interface order and crystallographic structure of conjugated polymer thin films: examples from organic electronics

Prof. Dr. Roland Resel, Inst. of Solid State Physics, Univ. of Technology, Graz, Austria

The optical as well as the electronic properties of molecular semiconductors are highly anisotropic. Therefore, a defined orientation of molecules is required to obtain optimized performance in organic electronic devices. This contribution discusses the morphology as well as the crystallographic properties of polymers within thin films. Based on two examples the engineering of polymer thin films, especially the possibilities to influence crystallographic structure as well as thin film morphologies is discussed on several well-known polymers for organic electronic applications like polyhexylthiophene (P3HT), polydioctylfluorene-co-bithiophene (F8T2) and polyfluorenedioctyl-fluorene-co-benzothiadiazole (F8BT).