**Author details**

Narcisa Vrinceanu1,2, Alina Brindusa Petre1 , Claudia Mihaela Hristodor1 , Eveline Popovici3 , Aurel Pui1 , Diana Coman2 and Diana Tanasa1


3 Al.I.Cuza" University of Iasi, Faculty of Chemistry, Departament of Materials Chemistry, Romania
