Shamsudeen, A., Shuaibu S., S.G. Abdu, M. S. Abubakar, and Abdullahi lawal. “First-Principles Calculations of Fluorine-Doped Titanium Dioxide: A Prospective Material for Solar Cells Application”. Journal of the Nigerian Society of Physical Sciences 1, no. 4 (December 16, 2019): 131-137. Accessed March 30, 2020. https://journal.nsps.org.ng/index.php/jnsps/article/view/27.