%0 Journal Article %T Comparison of alkali metal cationmetal cation (Rb/K) doping effect on the structural, optical and photovoltaic behavior of methylammonium lead triiodide perovskite thin films %A Sakkaki, Fahimeh %A Rezaee Roknabadi, Mahmood %A Arabi, Hadi %A Feng Wang %J Optik %@ 0030-4026 %D 2022