1. Inorganic Materials ChemistryRuhr University Bochum Universitätsstraße 150 44801 Bochum Germany
2. Technical and Macromolecular ChemistryUniversity of Paderborn Warburger Straße 100 33098 Paderborn Germany
3. Institute of Electrical Engineering and Plasma TechnologyRuhr University Bochum Universitätsstraße 150 44801 Bochum Germany