Ekwu, M.T., Danladi, E., Tasie, N.N., Haruna, I.S., Okoro, O.E., Gyuk, P.M., Jimoh, O.M. and Obasi, R.C. 2023. A Qualitative Theoretical Study of Inorganic HTM-Free RbGeI3 Based Perovskite Solar Cells Using SCAPS 1D as a Pathway Towards 3.601% Efficiency. East European Journal of Physics. 1 (Mar. 2023), 118-124. DOI:https://doi.org/10.26565/2312-4334-2023-1-14.