There are several methods for synthesizing liquid phase nanomaterials, including chemical reduction, sol-gel processes, and electrochemical deposition. In a chemical reduction method, metal salts are reduced to form nanoparticles in a liquid medium. The sol-gel process involves the transition of a system from a liquid "sol" into a solid "gel" phase, enabling the incorporation of nanoparticles. Electrochemical deposition can also be used to create nanoparticles directly in a liquid phase by applying an electric current.