1. Faculty of Applied Sciences,
Department of Chemical Engineering, Materials for Energy Conversion
and Storage, Delft University of Technology, P.O. Box 5045, 2600 GA Delft, The Netherlands
2. FOM-Institute DIFFER, Dutch Institute For Fundamental Energy Research, P.
O. Box 1207, 3430 BE Nieuwegein, The Netherlands
3. Center for Energy Research, University of California at San Diego, 9500 Gilman
Drive, La Jolla, California, United States
4. Institute for Solar Fuels, Helmholtz-Zentrum Berlin für Materialien und Energie Gmbh, Hahn-Meitner-Platz
1, 14109 Berlin, Germany