Methylammonium tin halide

Methylammonium tin halides are solid compounds with perovskite structure and a chemical formula of CH₃NH₃SnX₃, where X = I, Br or Cl. They are promising lead-free alternatives to lead perovskites as photoactive semiconductor materials. Tin-based perovskites have shown excellent mobility in transistors which gives them an opportunity to be explored more for solar cell applications.