Hybrid perovskites as light absorbers in solar cells
Hybrid perovskite solar cells

The term "perovskite" originally referred to the mineral CaTiO₃ (calcium titanate), which was first described in 1839 by the German mineralogist Gustav Rose and named after the Russian mineralogist Lev Alexeyevich Perovski. Since then, it has been used to designate the corresponding crystal structure with the general formula ABC₃ . At the end of the 19th century, new perovskites were synthesized with the formula ABX₃ with X a halide, Cl^–, Br^– or I^–, A being Cs⁺ and B Pb²⁺. Their crystal structure was only solved in 1957 by Christian Moller