1. Linz Institute for Organic Solar Cells (LIOS); Physical Chemistry; Johannes Kepler University Linz; Altenbergerstr. 69 A-4040 Linz Austria
2. Department of Physics; Benha University; Stadium Street 13518 Benha Egypt
3. Center for Photonic and Smart Materials (CPMS); Zewail City of Science and Technology; Sheikh Zayed District, 6th of October City 12588 Giza Egypt
4. Center for Surface- and Nanoanalytics; Johannes Kepler University Linz; Altenbergerstr. 69 A-4020 Linz Austria
5. Institute of Semiconductor and Solid State Physics; Johannes Kepler University Linz; Altenbergerstr. 69 A-4040 Linz Austria