1. Unité de Chimie des Matériaux Inorganiques et Organiques (CMAT), Université Catholique de Louvain, Place L. Pasteur 1, B‐1348 Louvain‐la‐Neuve, Belgium
2. Laboratory of Macromolecular Chemistry and Nanoscience, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
3. Laboratory of Organic and Macromolecular Chemistry, Friedrich‐Schiller‐University Jena, Humboldtstr. 10, 07743 Jena, Germany