1. Chair of Chemical Technology of Materials Synthesis Julius‐Maximilians‐University Würzburg Röntgenring 11 D97070 Würzburg Germany
2. Fraunhofer‐Institute for Silicate Research ISC Neunerplatz 2 D97082 Würzburg Germany
3. Organic Materials & Devices Department of Material Science, Interdisciplinary Center for Nanostructured Films (IZNF) Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Cauerstrasse 3 D91058 Erlangen Germany
4. Departement of Chemistry and Pharmacy Inorganic Chemistry Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Egerlandstrasse 1 D91058 Erlangen Germany
5. Institute of Organic Chemistry II Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Nikolaus‐Fiebiger‐Strasse 10 D91058 Erlangen Germany