1. Department of Science and High Technology University of Insubria Via Valleggio 11 22100 Como Italy
2. Current affiliation: Photo-Catalytic Synthesis Group MESA+ Institute for Nanotechnology University of Twente P.O. Box 217 7500 AE Enschede The Netherlands
3. Department of Materials Science WW4-LKO Friedrich Alexander University of Erlangen Nuremberg Martensstrasse 7 91058 Erlangen Germany
4. Institute of Micro- and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM) Interdisciplinary Center for Nanostructured Films (IZNF) Department of Materials Science and Engineering FAU Cauerstraße 3 91058 Erlangen Germany
5. Regional Center of Advanced Technologies and Materials Šlechtitelů 27 Olomouc 78371 Czech Republic
6. Department of Chemistry Faculty of Science King Abdulaziz University P.O. Box 80203 Jeddah 21569 Saudi Arabia