Cerium oxide (CeO₂) nanoparticle solution provides optimized dispersion, superior catalytic activity, and enhanced thermal stability. Designed for polishing, environmental remediation, and energy applications, it ensures efficient surface interaction, extended durability, and high adaptability.
Product Overview
Cerium oxide CeO₂ nanoparticles (solution) are a nanomaterial based on cerium and oxygen elements, renowned for their excellent redox properties. Due to their unique crystal structure and oxidative-reductive characteristics, cerium oxide nanoparticles are widely used in catalysts, antioxidants, and gas sensors. This material is suspended in ultra-pure water and surface-modified with polyacrylic acid (PAA), which enhances its stability and dispersibility. Due to its nanoscale size, cerium oxide nanoparticles exhibit a significantly high surface area and enhanced reactivity, making them highly efficient in various chemical reactions.
Key Features
- Size Effect: The nanometer scale grants cerium oxide particles a high specific surface area, increasing the number of active sites and improving their reactivity.
- Redox Properties: Cerium oxide nanoparticles have high redox activity and reversible oxidation states, making them ideal for use as catalysts and oxidizing agents, especially in high-efficiency catalytic reactions.
- Stability: These nanoparticles exhibit excellent stability, maintaining their performance across various environmental conditions without degradation or alteration.
- Biocompatibility: In biomedical applications, cerium oxide nanoparticles display excellent biocompatibility and are ideal for use in drug delivery and bioimaging.
Applications
- Catalysts: Widely applied in automobile exhaust treatment, chemical reaction catalysis, and energy conversion, cerium oxide’s high redox activity significantly enhances catalytic performance.
- Antioxidants: As an antioxidant, cerium oxide effectively combats free radical damage, offering protection to cells and tissues in biomedical contexts.
- Gas Sensors: With its unique sensing properties, cerium oxide nanoparticles are well-suited for detecting harmful gases like carbon monoxide and hydrogen, improving environmental monitoring and safety.
- Fuel Cells: As an electrolyte material for solid oxide fuel cells, cerium oxide nanoparticles' ionic conductivity contributes to enhanced performance and efficiency.
- Electronic Ceramics: In the field of electronic ceramics, cerium oxide improves the smoothness and density of ceramics, enhancing their physical properties.
Parameter | Description |
State | Pale yellow liquid |
Diameter | 2-6 nm (TEM) |
Cerium concentration | 1 mg/mL |
Solvent | Ultrapure water |
Surface modification | Polyacrylic acid (PAA) |