1. Photogreen Lab
2. Department of Chemistry
3. 27100 Pavia
4. Italy
5. Dept. of Chemistry and INSTM
6. University of Pavia
7. Pavia
8. Dipartimento di Fisica
9. Sapienza Università di Roma
10. 00185 Roma
11. European Synchrotron Radiation Facility
12. 38043 Grenoble Cedex
13. France