There are several methods to manufacture nanomaterials, including:
1. Top-Down Approaches: These involve breaking down bulk materials into nanoscale particles. Common techniques include: - Lithography: Using light or other forms of radiation to pattern materials at the nanoscale. - Milling: Mechanically grinding materials to create nanoparticles.
2. Bottom-Up Approaches: These methods build nanomaterials atom-by-atom or molecule-by-molecule. Techniques include: - Chemical Vapor Deposition (CVD): A process where gaseous reactants form a solid material on a substrate. - Self-Assembly: Molecules spontaneously organize into structured patterns or shapes.