1. “Chemical Engineering and Biotechnologies” Doctoral School, National University of Science and Technology Politehnica Bucharest, Splaiul Independentei nr. 313, Sector 6, 060042 Bucharest, Romania
2. Promateris SA, nr. 1, 070000 Buftea, Romania
3. Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, Splaiul Independentei nr. 313, Sector 6, 060042 Bucharest, Romania
4. National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, 060021 Bucharest, Romania