1. CNRS, ISCR (Institut des Sciences Chimiques de Rennes)− UMR 6226, Université de Rennes, F-35000 Rennes, France
2. Faculty of Chemical Technology, Department of Graphic Arts and Photophysics, University of Pardubice, Studentska 573, 53210 Pardubice, Czech Republic
3. CNRS, Institut FOTON - UMR 6082, Université de Rennes, F-22305 Lannion, France
4. CEMNAT, nám. Čs. legií 565, University of Pardubice, 53002 Pardubice, Czech Republic