1. Renewable Energy; Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB); Hahn-Meitner-Platz 1 14109 Berlin Germany
2. University of Nevada, Las Vegas (UNLV); Department of Chemistry and Biochemistry; Las Vegas NV 89154-4003 USA
3. Institute for Photon Science and Synchrotron Radiation (IPS), Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology (KIT); ANKA Synchrotron Radiation Facility; 76344 Eggenstein-Leopoldshafen Germany