1. Bergische Universität Wuppertal; Macromolecular Chemistry Group (buwmakro) and Institute for Polymer Technology; Gauss-Str. 20 D- 42119 Wuppertal Germany
2. College of Chemistry/Institute of Polymers; Nanchang University; 999 Xuefu Avenue Nanchang 330031 China
3. Institute of Physical and Theoretical Chemistry; University of Tübingen; Auf der Morgenstelle 18 D-72076 Tübingen Germany
4. Westfälische Wilhelms-Universität Münster; Institut für Physikalische Chemie; Corrensstr. 28 D- 48149 Münster Germany
5. Electronic Properties of Materials; Faculty of Physics; University of Vienna; Strudlhofgasse 4 A- 1090 Vienna Austria
6. Institute of Electronic Devices; University of Wuppertal; Rainer-Gruenter-Str. 21 D-42119 Wuppertal Germany