1. Institute of Chemistry, University of Silesia, 9 Szkolna, 40-006 Katowice, Poland
2. Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
3. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Sklodowska, 41-819 Zabrze, Poland
4. Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, 5 Grudziadzka, 87-100 Torun, Poland