Optoelectronic properties and ion diffusion mechanism in 2D perovskites Cs3BX5 (B = Ge, Sn, and Pb; X  = Cl, Br, and I): A first–principles investigation

Insights into the relationship between ferroelectric and photovoltaic properties in CsGeI3 for solar energy conversion

“…This means that greater theoretical efficiency can be obtained within this approach simply by calculating the J-V characteristic with an absorption spectrum. [33][34][35][36]…”