1. NanoTecCenter Weiz Forschungsgesellschaft mbH; Franz-Pichler-Straße 32 8160 Weiz Austria
2. Christian Doppler Laboratory for Nanocomposite Solar Cells; Graz University of Technology and NanoTecCenter Weiz Forschungsgesellschaft mbH; Austria
3. Institute for Electron Microscopy and Fine Structure Research; Graz University of Technology; Steyrergasse 17 8010 Graz Austria
4. Institute of Solid State Physics; Graz University of Technology; Petersgasse 16 8010 Graz Austria
5. Institute for Chemistry and Technology of Materials; Graz University of Technology; Stremayrgasse 9 8010 Graz Austria