Chemical Synthesis

There are mainly three types of approaches for the synthesis of nanoparticles: the physical, chemical, and biological approaches. The chemical synthesis of nanoparticles is also called the bottom-up approach, in which tiny atoms and molecules are combined to create nano-structured materials.

Common Chemical Synthesis Techniques

• Chemical Vapor Deposition (CVD): This method involves depositing a vapor of the desired precursor onto a substrate, resulting in the formation of a thin film of nanoparticles. CVD is an excellent approach to producing very pure nanoparticles that are stiff, homogeneous, and strong. It is also well-known for creating two-dimensional nanoparticles.
• Sol-gel Process: This method utilizes sol and gel phases to synthesize nanoparticles, allowing for control over size and morphology through liquid-phase reactions at relatively low temperatures. It is easy to produce composites and complicated nanostructures with this method.
• Co-precipitation: This method involves the simultaneous precipitation of multiple components from a solution, enabling the synthesis of bimetallic or alloy nanoparticles.
• Molecular Condensation: This method involves the formation of nanoparticles by causing a source material to disappear in an inert gas. It is widely used for producing metal nanoparticles in large quantities.
• Hydrothermal: This method utilizes high temperatures and pressures to facilitate the reaction of precursors in aqueous solutions, resulting in well-defined nanoparticles with controlled crystallinity and morphology.

Our Advantages of Chemical Synthesis Service

STEMart employs proprietary technique and precisely control the processing parameters, such as reaction time, precursor concentration, temperature, to achieve the successful production of nanoparticles with desired characteristics tailored to specific application.

• Comprehensive analysis of customer demand
• High purity of materials to minimize contamination and ensure the desired properties of the nanoparticles
• Precise control over the particle size, morphology and crystallinity

For more information about our nanoparticle chemical synthesis service, please contact us.