1. Brno University of Technology Faculty of Chemistry Materials Research Centre Purkyňova 118 612 00 Brno Czech Republic
2. Linz Institute for Organic Solar Cells (LIOS) Physical Chemistry Johannes Kepler University Linz Altenbergerstraße 69 4040 Linz Austria
3. Institute of Physical Chemistry and Chemical Physics Faculty of Chemical and Food Technology Slovak University of Technology in Bratislava Radlinského 9 SK-812 37 Bratislava Slovakia