Several methods are employed to achieve shape control in nanotechnology:
Seed-Mediated Growth: This method involves the initial formation of small seed particles, which then grow into larger, more complex shapes under controlled conditions. Template-Assisted Synthesis: Using pre-formed templates, nanoparticles can be shaped into desired forms. For example, using porous templates can create nanowires or nanotubes. Chemical Vapor Deposition (CVD): This technique involves depositing material in the gas phase onto a substrate, allowing for the formation of various nanostructures. Electrochemical Methods: By applying an electric field, nanoparticles can be deposited and shaped on an electrode surface.
