1. Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
2. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Sklodowska Street, 41-819 Zabrze, Poland
3. Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland
4. Faculty of Chemistry, University of Opole, Oleska 48, 45-052 Opole, Poland