1. Foundation for Research and
Technology Hellas, Institute of Chemical Engineering Sciences (FORTH-ICE-HT), Stadiou Str., Platani Achaias,
26504, Patras, Greece
2. Department
of Chemistry, University of Patras, 26504,
Patras, Greece
3. Institut für Festkörperphysik, Technische Universität Berlin, Hardenbergstrasse
36, 10623 Berlin, Germany
4. Department
of Materials Science, University of Patras, 26504, Patras, Greece