1. Institute of Organic Chemistry, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
2. Graduate School Material Science in Mainz, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
3. Technische Hochschule Bingen, Berlinstr. 109, 55411 Bingen am Rhein, Germany
4. Transferstelle Bingen TSB, Berlinstr. 107a, 55411 Bingen am Rhein, Germany