1. Center of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech Republic
2. Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00 Brno, Czech Republic
3. Department of Inorganic Technology, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague, Czech Republic