1. Faculty of Chemistry, Silesian University of Technology, M. Strzody 9, 44-100 Gliwice, Poland
2. Center of Polymer and Carbon
Materials, Polish Academy of Sciences, M. Curie-Sklodowskiej 34, 41-819 Zabrze, Poland
3. Physics Department, University of Durham, South Road, Durham DH1 3LE, United Kingdom