Simulation and optimization of Perovskite-based CQDs solar cells Ali Memari, Mohammad Javadian Sarraf, Seyyed Javad Seyyed Mahdavi Chabok and Leili Motevalizadeh Eur. Phys. J. Plus, 138 6 (2023) 553 Published online: 22 June 2023 DOI: 10.1140/epjp/s13360-023-04156-1