Tuning the Properties in Perovskite Materials for Photovoltaics
The search continues for solar energy materials that are efficient and inexpensive and simple to make. Films made of metal halide perovskite crystals are good candidates because of their impressive solar cell efficiencies and their low cost to produce. An advantage of metal halide perovskite materials is the ability to tune their band gap, which determines the wavelengths of light that can be collected by the solar cell.