1. Institute of Inorganic Chemistry,
Faculty of Chemical and Food Technology, Slovak University of Technology, SK-812 37 Bratislava, Slovakia
2. Regional Centre of Advanced
Technologies and Materials, Department of Inorganic Chemistry, Faculty
of Science, Palacký University,
17. Listopadu 12, CZ-77146 Olomouc, Czech Republic
3. Institute of Nanotechnology, Karlsruhe Institute of Technology, Postfach 3640, D-76021
Karlsruhe, Germany
4. Institut
für Anorganische
Chemie, Leibniz Universität Hannover, Callinstrasse 9, D-30167 Hannover, Germany