1. Fraunhofer Institute for Solar Energy Systems ISE Sustainable Synthesis Products Heidenhofstr. 2 79110 Freiburg Germany
2. Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT Low Carbon Technologies Osterfelder Str. 3 46047 Oberhausen Germany
3. Max Planck Institute for Chemical Energy Conversion (MPI CEC) Catalytic Technology Stiftstr. 34–36 45470 Mülheim an der Ruhr Germany