1. Saule Technologies Wroclaw Technology Park Dunska 11, Sigma Building Wroclaw 54‐130 Poland
2. Centre for Hybrid and Organic Solar Energy (CHOSE) Department of Electronics Engineering University of Rome “Tor Vergata” via del Politecnico 1 Roma 00133 Italy
3. Saule Research Institute Wroclaw Technology Park, Dunska 11, Sigma Building Wroclaw 54‐130 Poland
4. Department of Chemistry, Biology and Biotechnology University of Perugia Via Elce di Sotto 8 Perugia 06123 Italy
5. Istituto CNR di Scienze e Tecnologie Chimiche “Giulio Natta” (CNR‐SCITEC) Via Elce di Sotto 8 Perugia 06123 Italy
6. Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstraße 2 Freiburg 79110 Germany