1. Department of Enterprise Engineering; University of Rome Tor Vergata; Via del Politecnico 1 00133 Rome Italy
2. Centre for Hybrid and Organic Solar Energy (CHOSE); University of Rome Tor Vergata; Via del Politecnico 1 00133 Rome Italy
3. Department of Electronic Engineering; University of Rome Tor Vergata; Via del Politecnico 1 00133 Rome Italy
4. Dyepower Consortium; Viale Castro Pretorio 122, 00185 Rome Italy