1. Joanneum Research Forschungsgesellschaft Materials Franz‐Pichler Str. Nr. 30 Weiz 8169 Austria
2. Johannes Kepler University Linz Dept. Physical Chemistry Linz Institute for Organic Solar Cells (LIOS) Altenberger Str. Nr. 69 Linz 4040 Austria
3. Chair of Physics Department of Physics Mechanics and Electrical Engineering Montanuniversität Leoben Franz Josef Str. 18 Leoben 8700 Austria
4. Institut for Chemical Technologies of Organic Materials Johannes Kepler University Linz Altenberger Str. Nr. 69 Linz 4040 Austria
5. National Institute for Laser Plasma and Radiation Physics PO Box Mg‐36, Magurele Bucharest 077125 Romania
6. Johannes Kepler University Linz Center for Surface and Nanoanalytics (ZONA) Altenberger Str. 69 Linz 4040 Austria
7. Laboratory of Natural Materials Technology/Wood and Paper Chemistry Åbo Akademi University Porthansgatan 3‐5, Åbo Turku 20500 Finland
8. Institute of Polymer Chemistry Johannes Kepler University Linz Altenberger Str. 69 Linz 4040 Austria
9. Department of Chemistry and Industrial Chemistry University of Pisa via Moruzzi 13 Pisa 56124 Italy