1. CHOSE−Centre for Hybrid and Organic Solar Energy, Department of Electronics Engineering, University of Rome “Tor Vergata”, via del Politecnico 1, 00133 Rome, Italy
2. Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Energy Efficiency Unit Department, Via Anguillarese 301, Santa Maria di Galeria, 00123 Rome, Italy
3. Cambridge Graphene Centre, University of Cambridge, 9 JJ Thomson Avenue, Cambridge CB3 0FA, United Kingdom
4. Istituto di Struttura della Materia, National Research Council (CNR-ISM), 00133 Rome, Italy
5. LASE−Laboratory for Advanced Solar Energy, National University of Science and Technology—MISIS, Moscow 119049, Russia