Nanotechnology exchange Home Nanotechnology exchange What is the role of the passivation layer of metal nanoparticles

 Metal nanoparticles are a widely used material that can be applied in various fields, such as medicine, electronics, energy, and the environment. They have extremely small size and high surface area, which can enhance the performance of many materials. However, the surface of metal nanoparticles is often very active and easily reacts with the surrounding environment, so a passivation layer is needed to protect their surface. This article will explore the role of the passivation layer of metal nanoparticles.
The passivation layer is a thin film that covers the surface of metal nanoparticles, usually composed of inorganic or organic substances. This thin film can protect the surface of metal nanoparticles and prevent them from reacting with the surrounding environment. Especially in catalytic reactions, the surface of metal nanoparticles often reacts with reactants, and the passivation layer can prevent such reactions from occurring, thereby improving the selectivity and efficiency of the reaction.
In addition, the passivation layer can also affect the stability and dispersion of metal nanoparticles. Metal nanoparticles often gather together to form clusters in water, and the passivation layer can disperse and stabilize them, ensuring the stability and consistency of their performance.
As a company that provides high-quality metal nanoparticles, SAT NANO values the quality and stability of its products. After years of research and development, the company's research team has successfully developed a unique passivation layer technology that can enhance the stability and activity of metal nanoparticles. At present, Saite's metal nanoparticles have been widely used in multiple fields, such as medicine, electronics, and the environment.
In summary, the passivation layer of metal nanoparticles plays a crucial role in protecting their surface, improving reaction selectivity and efficiency, as well as maintaining stability and dispersion. As a professional supplier of metal nanoparticles, Saite continuously develops more advanced technologies for product manufacturing in different fields to meet the needs of customers.