1. Organic Materials & Devices, Institute of Polymer Materials, Department of Materials Science, University Erlangen-Nürnberg, Martensstrasse 7, 91058 Erlangen, Germany
2. European Synchrotron Radiation Facility (ESRF), 6 rue Jules Horowitz BP220,
38043 Grenoble Cedex, France
3. Chair of Organic
Chemistry II, University Erlangen-Nürnberg, Henkestrasse 42, 91054 Erlangen, Germany