Graphene ink is a type of conductive ink that incorporates graphene, a single layer of carbon atoms arranged in a two-dimensional lattice. This innovative material is known for its exceptional electrical conductivity, flexibility, and strength, making it ideal for various applications in electronics and printing. Used in printed electronics, graphene ink allows for the creation of lightweight and flexible circuits, sensors, and other devices. Its ability to be printed on different surfaces opens up new possibilities for wearable technology, smart packaging, and even biomedical applications, enhancing the functionality of everyday items.