1. Institute of Organic Chemistry Johannes Kepler University Linz Altenberger Straße 69 4040 Linz Austria
2. Institute of Physical Chemistry and Linz Institute of Organic Solar Cells Johannes Kepler University Linz Altenberger Straße 69 4040 Linz Austria
3. Linz School of Education Johannes Kepler University Linz Altenberger Straße 69 4040 Linz Austria