1. Institute of Low Temperature and Research Structure of the Polish Academy of Science Okolna 2 50-422 Wroclaw Poland
2. Institute of Physical Chemistry of the Polish Academy of Science Marcina Kasprzaka 44/52 01-224 Warsaw Poland
3. Institute of Chemistry Technical Berlin Institute Hardenbergstrasse 40 10623 Berlin Germany
4. Department of Process Engineering and Technology of Polymer and Carbon Materials Wroclaw University of Science and Technology Gdanska 7/9 50-344 Wroclaw Poland