1. National Institute for Research and Development in Chemistry and Petrochemistry – ICECHIM , 202 Splaiul Independentei , , Bucharest , Romania
2. Valahia University from Targoviste , Doctoral School of Materials Engineering , 13 Aleea Sinaia, 13004 Targoviste , Romania
3. Valahia University from Targoviste , Institute of Multidisciplinary Research for Science and Technology , Aleea Sinaia, 13004 , Targoviste , Romania