- Graphene: A single layer of carbon atoms arranged in a two-dimensional honeycomb lattice. It is renowned for its exceptional strength, electrical conductivity, and thermal properties. - Carbon Nanotubes: Cylindrical nanostructures composed of carbon atoms. They have remarkable tensile strength and electrical conductivity, making them ideal for applications in nanocomposites and electronics. - Quantum Dots: Semiconductor nanoparticles that exhibit unique optical properties, such as size-tunable light emission. They are used in displays, solar cells, and biomedical imaging. - Nanocellulose: Derived from cellulose, this material is lightweight, strong, and biodegradable, making it suitable for environmentally friendly applications.