1. Department of Solid State Engineering; University of Chemistry and Technology; 16628 Prague Czech Republic
2. Department of Technology of Organic Substances and Polymer Materials; Tomsk Polytechnic University; Lenin Ave, 30 Tomsk 634050 Russian Federation
3. Faculty of Science; J. E. Purkyne University; Usti nad Labem Czech Republic) 40096
4. UNESCO Laboratory of Environmental Electrochemistry; Department of Analytical Chemistry; Faculty of Science; Charles University in Prague; Czech Republic) 12843