one _ sova power? perovskite is a crystal structure. one of _ sova power?one of the unique aspects of them _ structure. one of the unique aspects of them is _ structure. one of the unique aspects of them is because they are composed of them is because they are composed of three _ of them is because they are composed of three different irons, we can actually— of three different irons, we can actually change the composition of these _ actually change the composition of these islands and that changes the core properties and the electronic properties— core properties and the electronic properties of this material. —— ions — properties of this material. —— ions this _ properties of this material. —— ions. this means instead of using a single _ ions. this means instead of using a single material to absorb the sunlight, we can actually turn the perovskite — sunlight, we can actually turn the perovskite to absorb in different regions — perovskite to absorb in different regions and stuck these materials on top of— regions and stuck these materials on top of each _ r