1. Centre for Hybrid and Organic Solar Energy (CHOSE), University of Rome Tor Vergata, via del Politecnico 1, Rome 00133, Italy
2. The Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology (BIST), Avda. Països Catalans, 16, Tarragona E-43007, Spain
3. Consiglio Nazionale delle Ricerche-Istituto di Struttura della Materia (CNR-ISM), Area di Ricerca di Tor Vergata, via del Fosso del Cavaliere 100, Rome 0013, Italy
4. LASE-National University of Science and Technology “MISiS”, 4, Leninsky Prosp., Moscow 119049, Russian Federation
5. ICREA, Passeig Lluís Companys, 23, Barcelona E-08010, Spain