1. Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
2. Department of Chemistry, University College London, London WC1H 0AJ, United Kingdom
3. Core Center of Excellence in Nano Imaging, University of Southern California, Los Angeles, California 90089, United States
4. Thomas Young Centre, University College London, Gower Street, London WC1E 6BT, United Kingdom
5. Diamond Light Source Ltd., Diamond House, Harwell
Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, U.K.