1. Center
of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, nam. Cs. legii 565, 53002 Pardubice, Czech Republic
2. Laboratory
of Nanostructures and Nanomaterials, Institute of Physics of the CAS, v.v.i., Na Slovance 2, 182 21 Prague 8, Czech Republic
3. Joint
laboratory of Solid-State Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentska 95, 532
10 Pardubice, Czech Republic
4. Beneq, Olarinluoma 9, 02201 Espoo, Finland