1. Department of Chemistry and Pharmacy Inorganic Chemistry Friedrich‐Alexander University Erlangen‐Nürnberg (FAU) Egerlandstrasse 1 91058 Erlangen Germany
2. Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
3. Fraunhofer Institute for Silicate Research ISC Neunerplatz 2 97082 Würzburg Germany