1. Laboratory of Chemical Nanotechnologies-LNC-CNMF , Dunărea de Jos” University of Galati , 47 Domnească Street, RO-800008 , Galati , Romania
2. Multifunctional Materials and Structures Laboratory , National Institute of Materials Physics , Atomistilor 405 A, 077125 , Magurele , Romania
3. Cross-border Faculty , Cahul, ”Dunărea de Jos” University of Galati , 47 Domnească Street, RO-800008 , Galati , Romania
4. Department of Physical-Chemistry and Environment , “Dunărea de Jos” University of Galati , 47 Domnească Street, RO-800008 , Galati , Romania