The electronic construction estimations of a substance are the focal errand because of atomistic reenactments. They make allusions to estimates of the state of electronic mobility around fixed cores. To further develop power transformation effectiveness and strength, doping is normally taken on technique to tune and adjust the constructions CH3NH3PbI3 materials' characteristics and composition in natural inorganic crossover perovskite arising sun oriented cells perovskites are a class of materials that have a perovskite structure assorted mix of various components. Because of this, result, they display various functionalities, for example, piezoelectric, ferroelectric, pyroelectric, and ferromagnetic with applications in photovoltaic cells, huge magneto-opposition, LEDs, superconductivity, and topological covers. Perovskites have gained a reputation as a viable alternative to silicon-based conventional solar cells since 2009. By and large, halide perovskites show great photonic characteristics, oxide perovskites show great dielectric properties, and chalcogenide perovskites are utilized in applications in strong state detecting, lighting, and energy collecting. In this thesis, different kinds of perovskites going from oxide to halide are examined alongside their underlying, electronic, flexible, and optical properties.