1. Laboratory
of Energy Science and Engineering, Department of Mechanical and Process
Engineering, ETH Zurich, Leonhardstrasse 21, Zurich 8092, Switzerland
2. Department
of Chemistry and Applied Sciences, ETH Zurich, Vladimir Prelog Weg 1-5, Zurich 8093, Switzerland
3. Swiss-Norwegian
Beamlines, European Synchrotron Radiation Facility (ESRF), BP 220, Grenoble 38043, France