1. Institute
of Inorganic Chemistry, Georg-August-University, Tammannstraße 4, D-37077 Göttingen, Germany
2. Institute
for Materials Physics, Georg-August-University, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany
3. Institute of Chemical
Research of Catalonia (ICIQ), Av. Països
Catalans 16, E-43007 Tarragona, Spain
4. Departament
de Química, Universitat Autònoma de Barcelona, 08460 Cerdanyola del Vallès, Barcelona, Spain
5. International
Center for Advanced Studies of Energy Conversion (ICASEC), Georg-August-University, D-37077 Göttingen, Germany