1. Instituto de Física, Universidade Federal do Rio de Janeiro, 21941-909, Rio de Janeiro, RJ, Brazil
2. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
3. Helmholtz–Zentrum Berlin für Materialien und Energie GmbH, BESSY II, Albert-Einstein-Straße 15, 12489, Berlin, Germany
4. Max Planck Institute for Chemical Energy Conversion, Department of Heterogeneous Reactions, Stiftstrasse 34 – 36, 45470 Mülheim an der Ruhr, Germany
5. Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research on Energy and Materials (CNPEM), 13083-970, Campinas, SP, Brazil