Cerium nano dioxide (CEO2) is an important material with a wide range of applications. Its unique physical and chemical properties give it excellent performance and application potential in several fields. The cerium dioxide powder of Hongwu Nano has a particle size of 30-50nm, and the electron microscope is shown below. In this article, we will detail the properties of nano-cerium dioxide and its applications in various fields.
Firstly, nano-cerium dioxide has the characteristics of size effect and high specific surface area, which makes its optoelectronic properties, catalytic activity and mechanical properties significantly improved. It has good thermal stability, oxidation resistance and electrical conductivity, and has a strong adsorption capacity for oxygen molecules. In addition, cerium nano dioxide also has excellent optical properties, including a high refractive index and light absorption capacity, making it widely used in optics and coatings.
In the field of catalysis, nano-cerium dioxide is widely used in tertiary conversion catalysis, catalyst support and oxidation reaction catalyst. Due to its unique oxygen ion conductivity, redox activity, and oxygen storage capacity, nano-cerium dioxide can provide higher activity and selectivity in catalysts, promoting the progress of chemical reactions.
In the energy field, it can be used as an anode material for fuel cells and lithium-ion batteries, improving the performance and cycle life of batteries. In addition, the application of nano-cerium dioxide in photocatalytic water splitting and photovoltaic devices has also received extensive attention, by using its light absorption and photogenerating electronic capabilities to realize energy conversion and storage.
In the field of materials science, nano-cerium dioxide can be used in the preparation of composites, coatings and ceramic materials to improve their mechanical properties, corrosion resistance and thermal stability. In addition, nano-cerium dioxide can also be used in nano-fluorescent probes, biosensors, and drug delivery systems in the pharmaceutical field, demonstrating good biocompatibility and sustained drug release performance.
As a polishing agent, nano-cerium dioxide is widely used in polishing processes in semiconductor manufacturing, glass processing, optical coatings, and ceramics. For example, in the semiconductor manufacturing process, nano-cerium dioxide can be used as a wafer polishing material, which can remove surface defects and impurities, make the surface flatness of the wafer meet the requirements, and improve the quality and performance of the chip. In glass processing, nano-cerium dioxide can be used to prepare high-transparency and high-finish glass products, such as displays, optical lenses and touch screens.