1. Department of Chemistry, University of Nevada, Las Vegas (UNLV), 4505 S. Maryland Parkway, Las Vegas, Nevada 89154-4003, United States
2. Materials and Process Simulation Center, m/c 139-74, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
3. Experimentelle Physik VII, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
4. Solar Energy Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, D-14109 Berlin, Germany
5. Institut für Physik und Chemie, Brandenburgische Technische Universität Cottbus, Konrad-Wachsmann-Allee 1, D-03046 Cottbus, Germany
6. Department of Physics, Xiamen University, 422 Si-Ming-Nan-Lu, Xiamen, Fujian, 361005, People’s Republic of China
7. Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, Illinois 60439, United States
8. Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse 18/20, 76128 Karlsruhe, Germany