1. Analytical
Chemistry—Center for Electrochemical Sciences (CES), Ruhr-Universität Bochum, Universitätsstr. 150, D-44780 Bochum, Germany
2. Department
of Bioresources and Polymer Science, Faculty of Applied Chemistry and Materials
Science, University Politehnica, 011061 Bucharest, Romania
3. Department
of Physics, Ruhr-Universität Bochum, Universitätsstr. 150, D-44780 Bochum, Germany
4. Chair
II of Inorganic Chemistry, Ruhr-Universität Bochum, Universitätsstr.
150, 44801 Bochum, Germany