1. Polymer Institute of the Slovak Academy of Sciences, Dúbravská cesta 9, 842 36 Bratislava, Slovak Republic; International Laser Center, Ilkovičova 3, 812 19 Bratislava, Slovak Republic; Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstrasse 6, D-37077, Göttingen, Germany; and Department of Chemical Engineering, Queen’s University, Kingston ON K7L 3N6, Canada