1. Laboratory of Physics Chemistry of Materials & Environment, Department of Physics, University of Ioannina, 45110 Ioannina, Greece
2. Particle Technology Laboratory, Institute of Process Engineering, Department of Mechanical and Process Engineering, ETH Zürich, Sonneggstrasse 3, Zürich CH-8092, Switzerland
3. FORTH/ICE-HT, Insitute of Chemical Engineering Sciences, 26504 Patras, Greece
4. Laboratory of Biomimetic Catalysis, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece