1. Department of Inorganic Technology, University of Chemistry and Technology Prague, Technická 5, Prague 6, Czech Republic
2. Institute on Membrane Technology, ITM-CNR, c/o University of Calabria, Via P. Bucci 17/C, Rende (CS), Italy
3. Nanoscience Institute of Aragon (INA), Universidad de Zaragoza, Zaragoza, Spain