1. Institute of Physics − CSE, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
2. Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland
3. Faculty of Materials, Civil and Environmental Engineering, University of Bielsko-Biala, Willowa 2, 43-309 Bielsko-Biala, Poland
4. Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego 18A, 44-100 Gliwice, Poland
5. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowska Str., 41-819 Zabrze, Poland