1. Institute of Chemical and Environment Engineering, West Pomeranian University of Technology, Szczecinul. Pulaskiego 10, 70-322 Szczecin, Poland
2. Department of Polymer and Carbonaceous Materials, Wroclaw University of Technology, ul. Gdanska 7/9, 50344 Wroclaw, Poland
3. Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, China
4. Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China