What are the Methods for Synthesizing Nanostructured Silicon?
Several methods exist for synthesizing nanostructured silicon, each with its advantages and limitations. Common techniques include:
Chemical Vapor Deposition (CVD): A process where silicon-containing gases react and decompose on a substrate to form nanostructured silicon. Electrochemical Etching: A technique that involves using an electric current to etch silicon wafers, creating porous silicon structures. Ball Milling: A mechanical process that grinds bulk silicon into nanoscale particles using high-energy collisions. Laser Ablation: A method where high-energy laser pulses are used to remove material from a silicon target, forming nanoparticles.