An overview of nanotechnology and its application Henry B. Omietimi, Sunday A. Afolalu, Joseph F. Kayode, Stella I. Monye, Sunday L. Lawal and Moses E. Emetere E3S Web Conf., 391 (2023) 01079 Published online: 05 June 2023 DOI: 10.1051/e3sconf/202339101079