1. Department of Chemistry University College London 20 Gordon Street London WC1H 0AJ UK
2. The Research Complex at Harwell Rutherford Appleton Laboratory Harwell Campus Didcot Oxfordshire OX11 0FA UK
3. Central Laser Facility-Science & Technology Facility Council The Research Complex at Harwell Rutherford Appleton Laboratory Harwell Campus Didcot Oxfordshire OX11 0FA UK
4. London Centre for Nanotechnology University College London London WC1E 6BT UK
5. Brookhaven National Laboratory Upton NY USA
6. Advanced Photon Source Argonne National Laboratory 9700 South Cass Avenue Lemont IL 60439 USA
7. Johnson Matthey Technology Centre Blounts Court Road Sonning Common, Reading RG4 9NH UK