Effect of TiO2 structure on hysteretic behaviors in CH3NH3PbI3 perovskite solar cellsWilliam Elcock, Ali Abdolahzadeh Ziabari and Gap Soo ChangEur. Phys. J. Appl. Phys., 99 (2024) 27DOI: https://doi.org/10.1051/epjap/2024240090