1. Institute of Chemical Science and Engineering (ISIC), École Polytechnique Fédérale de Lausanne (EPFL), Rue de l'industrie 17, 1951, Sion, Switzerland
2. Swiss-Norwegian Beamlines, European Synchrotron Research Facilities (ESRF), BP 220, Grenoble, France
3. Department of Chemical Engineering and Biotechnology, University of Cambridge, CB3 0AS, Cambridge, UK
4. Interdisciplinary Center for Electron Microscopy, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland