1. Department Synthesis of Macromolecules Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
2. Department of Molecular Electronics Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
3. Department of Molecular Physics Faculty of Chemistry Lodz University of Technology Zeromskiego 116 Lodz 90‐924 Poland