BAMAIYI, Emmanuel Angbashim; EDOMOH, Peace Ekeojodumi; UNO, Uno E. Determination of the Optical Band Gap of TiO2 and Perovskite Absorber Layers in an Organic-Inorganic Hybrid Lead-Halide Perovskite Solar Cell Using UV-Visible Spectroscopy. Nigerian Journal of Physics, [S. l.], v. 35, n. S, p. 67–74, 2026. DOI: 10.62292/njp.v35(s).2026.712. Disponível em: https://njp.nipngr.org/index.php/njp/article/view/712. Acesso em: 27 aug. 2026.