1. Department of Chemistry, Division of Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
2. Department of Physics, Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Vietnam
3. Department of Chemistry, Quy Nhon University, 170 An Duong Vuong, Quy Nhon, Vietnam
4. Department of Chemical Engineering, Renewable Materials and Nanotechnology Group, Campus Kortrijk, KU Leuven, Etienne Sabbelaan 53, 8500 Kortrijk, Belgium
5. Department of Chemistry, Lancaster University, Lancaster LA1 4YB, United Kingdom