1. Department of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 1, D-91058 Erlangen, Germany
2. Department of Chemistry and Pharmacy, Organic Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany
3. Institute of Separation Science and Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstraße 3, D-91058 Erlangen, Germany
4. Fraunhofer-Institute for Silicate Research ISC, Neunerplatz 2, D-97082 Würzburg, Germany