1. Linz Institute for Organic Solar Cells (LIOS) Institute of Physical Chemistry Johannes Kepler University Linz Altenbergerstrasse 69 4040 Linz Austria
2. Institute of Organic Chemistry Johannes Kepler University Linz 4040 Linz Austria
3. Center for Surface and Nanoanalytics Johannes Kepler University Linz Altenbergerstrasse 69 4040 Linz Austria