1. Department of Chemistry & Zukunftskolleg, Box 710, University of Konstanz, 78457 Konstanz, Germany
2. Diamond Light Source, Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, United Kingdom
3. ARC Centre in Exciton Science, School of Chemistry, The University of Melbourne, Parkville, Victoria 3010, Australia
4. ANSTO Australian Synchrotron, 800 Blackburn Rd, Clayton, Victoria 3168, Australia