1. Department of Chemistry, University of Sciences, Hue University, 77 Nguyen Hue Street, Hue City 530000, Vietnam
2. Faculty of Basic Sciences, University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen Street, Hue City 530000, Vietnam
3. Faculty of Materials Science and Technology, University of Science, Vietnam National University, Ho Chi Minh City 700000, Vietnam