1. Istituto di Struttura della Materia ‐ CNR (ISM‐CNR) Trieste I‐34149 Italy
2. Institut Photovoltaïque d'Île de France (IPVF) CNRS, Ecole Polytechnique, IP Paris Palaiseau 91120 France
3. Sorbonne Université CNRS, Collège de France UMR 7574, Chimie de la Matière Condensée de Paris Paris 75005 France
4. Institut Photovoltaïque d'Île‐de‐France (IPVF) 18 Boulevard Thomas Gobert Palaiseau 91120 France
5. Électricité de France (EDF), R&D 18 Boulevard Thomas Gobert Palaiseau 91120 France
6. CHOSE (Centre for Hybrid and Organic Solar Energy) Department of Electronic Engineering University of Rome “Tor Vergata,” Rome 00133 Italy
7. Istituto di Struttura della Materia ‐ CNR (ISM‐CNR) Rome 00133 Italy