1. Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany, http://www.schubert‐group.com/
2. Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
3. Laboratory of Inorganic and Analytic Chemistry (IAAC), Friedrich Schiller University Jena, Lessingstr. 8, 07743 Jena, Germany