1. Institut für Halbleitertechnik, Technische Universität Braunschweig, Germany
2. Solid State Physics/the Nanometer Structure Consortium, Lund University, Sweden
3. Institute for Nanoelectronics, Technische Universität München, Germany
4. Department of Energy Conversion and Storage, Technical University of Denmark, Denmark
5. Faculty of Chemistry, A. Mickiewicz University, Poznan, Poland
6. Physikalisch-Technische Bundesanstalt, Braunschweig, Germany
7. Polymer and Materials Chemistry, Lund University, Sweden