1. Department of Physics and Astronomy and London Centre for Nanotechnology
2. University College London
3. UK
4. Dipartimento di Fisica e Chimica (DiFC)
5. Università degli Studi di Palermo
6. Palermo
7. Italy
8. CHOSE Centre for Hybrid and Organic Solar Energy
9. Department of Electronic Engineering
10. University of Rome Tor Vergata
11. 00133 Rome
12. Aten Center