CH3NH3I, commonly known as methylammonium iodide, is a chemical compound composed of carbon, hydrogen, nitrogen, and iodine. It is often used in the field of organic electronics, particularly in the production of perovskite solar cells, where it serves as a precursor material. The compound has gained attention due to its potential to improve the efficiency and stability of solar energy conversion. Methylammonium iodide is a solid at room temperature and is typically synthesized through a reaction between methylamine and hydroiodic acid. Its unique properties make it a valuable component in research related to solar energy and semiconductors, contributing to advancements in renewable energy technologies.