C3N4, also known as carbon nitride, is a compound made up of carbon and nitrogen atoms. It is a member of a class of materials known for their potential applications in fields like catalysis, energy storage, and electronics. C3N4 is particularly noted for its stability and unique electronic properties, making it a subject of interest in materials science. Researchers are exploring C3N4 for its use in photocatalysis, where it can help convert sunlight into chemical energy. Its structure is similar to that of graphene, which is another carbon-based material known for its strength and conductivity. The study of C3N4 could lead to advancements in sustainable energy technologies.