1. Analytical Chemistry—Center for Electrochemical Sciences (CES)Faculty of Chemistry and BiochemistryRuhr-Universität Bochum 44780 Bochum Germany
2. Chemical Technology IIIFaculty of Chemistry and Center for Nanointegration (CENIDE)University of Duisburg Essen Carl-Benz-Strasse 199 47057 Duisburg Germany
3. Laboratory of Industrial ChemistryFaculty of Chemistry and BiochemistryRuhr-Universität Bochum 44780 Bochum Germany
4. Department of Chemistry and Catalysis Research CentreTechnical University of Munich 85748 Garching Germany