1. J. Heyrovský Institute of Physical Chemistry, Department of Molecular Electrochemistry; Academy of Sciences of the Czech Republic; Dolejškova 2155/3 182 23 Prague 8 Czech Republic
2. Faculty of Science, Department of Inorganic Chemistry; Charles University in Prague; Hlavova 2030 128 40 Prague 2 Czech Republic
3. University of Chemistry and Technology; Technická 5 166 28 Prague 6 Czech Republic