1. Center for Nano Science and Technology @PoliMi, Istituto Italiano di Tecnologia, via Rubattino 81, 20134 Milano, Italy
2. Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale Vincenzo Tecchio 80, 80125 Napoli, Italy
3. Physics Department, Politecnico di Milano, Piazza L. da Vinci, 32, 20133 Milano, Italy
4. Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche “Giulio Natta” (CNR-SCITEC), 06123 Perugia, Italy
5. Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
6. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
7. SKKU Institute of Energy Science and Technology (SIEST) Sungkyunkwan University, Suwon 440-746, Republic of Korea