1. Department of Physics
2. Imperial College London
3. London SW7 2AZ
4. UK
5. Grantham Institute for Climate Change
6. Department of Chemistry
7. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
8. Bellaterra
9. Spain
10. IEK 5 Photovoltaik
11. Forschungzentrum Jülich
12. 52425 Jülich
13. Germany
14. Faculty of Engineering and CENIDE
15. Departamento de Electrónica