1. Department of Chemistry Faculty of Science Masaryk University Brno Czech Republic
2. Department of Graphic Arts and Photophysics Faculty of Chemical Technology University of Pardubice Pardubice Czech Republic
3. Institut des Sciences Chimiques de Rennes UMR 6226 Centre nationale de la recherche scientifique ScanMAT UMS 2001, Université de Rennes 1 Rennes France