1. Institute of Physics and Astronomy University of Potsdam 14476 Potsdam Germany
2. DWI‐Leibniz Institute for Interactive Materials e.V 52074 Aachen Germany
3. Functional and Interactive Polymers Institute of Technical and Macromolecular Chemistry RWTH Aachen University 52074 Aachen Germany
4. Faculty of Physics Lomonosov Moscow State University Moscow 119991 Russia
5. A. N. Nesmeyanov Institute of Organoelement Compounds RAS Moscow 119991 Russia
6. Aachen Maastricht Institute for Biobased Materials (AMIBM) Maastricht University Geleen 6167 RD The Netherlands