1. Institute for Solar Fuels; Helmholtz-Zentrum Berlin für Materialien und Energie GmbH; Hahn-Meitner-Platz 1 Berlin 14109 Germany
2. Department of Structure and Dynamics of Energy Materials; Helmholtz-Zentrum Berlin für Materialien und Energie GmbH; Hahn-Meitner-Platz 1 Berlin 14109 Germany
3. KAUST Catalysis Center (KCC); Physical Sciences and Engineering Division (PSE); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
4. Institute of Ion Beam Physics and Materials Research; Helmholtz-Zentrum Dresden-Rossendorf; Dresden 01328 Germany