1. Department of Inorganic Chemistry Faculty of Chemical and Food TechnologySlovak University of Technology in Bratislava Bratislava 81237 Slovakia
2. Department of Physical Chemistry Faculty of Chemical and Food TechnologySlovak University of Technology in Bratislava Bratislava 81237 Slovakia
3. Central European Institute of TechnologyBrno University of Technology Purkynova 123 612 00 Brno Czech Republic