1. Department of Chemistry Inorganic Chemistry IV University of Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
2. Department of Chemistry Physical Chemistry I University of Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
3. Keylab Electron and Optical Microscopy Bavarian Polymer Institute University of Bayreuth Universitätsstr. 30 95440 Bayreuth Germany
4. Department of Chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 Mainz Germany