1. Institute of Physical Chemistry, Justus-Liebig University, Heinrich-Buff-Ring 17, D-35392 Giessen, Germany
2. Center of Materials Research, Justus-Liebig University, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany
3. Umicore AG & Co. KG, Rodenbacher Chaussee 4, D-63457 Hanau, Germany
4. Department of Chemical Sciences, University of Padova, via Marzolo 1, I-35131 Padova, Italy
5. Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein, Leopoldshafen, Germany
6. Department of Materials and Earth Science, Technical University Darmstadt, Alarich-Weiss-Str. 2, D-64287 Darmstadt, Germany
7. Karlsruhe Nano Micro Facility, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein, Leopoldshafen, Germany
8. Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, D-14476 Potsdam, Germany
9. Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
10. Department of Chemical and Bioengineering, Friedrich-Alexander University, Egerlandstr. 3, D-91058 Erlangen, Germany