1. Linz Institute for Organic Solar Cells (LIOS), Physical Chemistry, Johannes Kepler University Linz, Altenbergerstraße 69, 4040 Linz, Austria
2. Faculty of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 118, 612 00 Brno, Czech Republic
3. Soft Electronics Laboratory, Linz Institute of Technology (LIT), Johannes Kepler University Linz, Altenbergerstraße 69, 4040 Linz, Austria
4. Institute of Polymer Chemistry (ICP), Johannes Kepler University Linz, Altenbergerstraße 69, 4040 Linz, Austria