Perovskite is a calcium titanium oxide mineral. This mineral especially gained fame because of its properties that make it perfect for solar cells. A perovskite solar cell is a hybrid made by combination of perovskite absorber and tin or lead based organic halide material that is performing as an active layer. Perovskite solar cells are still in development, but their solar conversion efficiency is increasing rapidly. From the beginning efficiency of 3%, the efficiency increased to more than 20%. Scientists are rapidly developing new methods to increase the efficiency of perovskite solar cells and the results are already visible. In the future, we could expect that perovskites will replace many of the traditional photovoltaic solar cells.
http://en.wikipedia.org/wiki/Perovskite
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