1. Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vasileos Constantinou Avenue, 11635 Athens, Greece
2. Department of Physics, National and Kapodistrian University of Athens, University Campus, Zografou, 15784 Athens, Greece
3. Photo-Catalytic Processes and Environmental Chemistry Laboratory, Institute of Nanoscience and Nanotechnology, NCSR DEMOKRITOS, Neapoleos 27, Agia Paraskevi, 15341 Athens, Greece
4. Greener Than Green Technologies S.A., 13 Ilission St., Kifisia, 14564 Athens, Greece
5. Analytical Chemistry Laboratory, Chemistry Department, National and Kapodistrian University, University Campus, Zografou, 15784 Athens, Greece