1. Centre of Polymer and Carbon Materials, Laboratory of Nano- and Microstructural Materials, Polish Academy of Sciences; M. Curie-Sklodowskiej 34 41-819 Zabrze Poland
2. Leibniz Institute of Polymer Research Dresden, Institute of Physical Chemistry and Physics of Polymers; Hohe Straße 6 01069 Dresden Germany
3. Dresden University of Technology, Faculty of Science; Helmholtzstraße 10 01069 Dresden Germany