Bismuth Oxide Nanoparticles/Nanopowder
Product Properties
Bismuth Oxide (Bi2O3) nanopowder/nanoparticles (nm & um)
Size | Type | Particle size（nm） | Purity（%） | Specific surface area（m2/g） | Bulk density（g/cm3） | Polymorphs | Color |
nm | JB-Bi2O3-001 | 50 | 99.9 | 8.6 | 0.65 | spherical | yellow |
sub um | JB-Bi2O3-002 | 1-3um | 99.4 | 1.2 | 0.76 | spherical | orange yellow |
Custom | Acccording to customers requirment. (30-800nm etc) | ||||||
Bismuth Oxide (Bi2O3) Nanopowder Main Feature
Bismuth oxide (Bi2O3) nanopowder is known for its distinctive properties at the nanoscale, which offer advantages in various applications across electronics, optics, catalysis, and materials science. The nanoscale size of Bi2O3 particles results in a significantly increased surface area-to-volume ratio compared to bulk materials. This high surface area enhances its reactivity and catalytic efficiency in chemical reactions.Bismuth oxide nanoparticles exhibit strong optical absorption and are used in photonic applications, including optical coatings and UV filters. Their unique optical properties also make them suitable for use in luminescent materials.Bi2O3 has unique electrical properties, including high ionic conductivity, especially at elevated temperatures. This makes it an excellent material for solid oxide fuel cells (SOFCs) and other electrochemical applications.Bismuth oxide nanopowder maintains thermal stability over a wide range of temperatures, making it suitable for high-temperature applications, including thermal barrier coatings and advanced ceramics.
Bismuth Oxide (Bi2O3) Nanopowder Applications
- Bi2O3 nanopowder is used in electronic components such as varistors, capacitors, and resistors due to its high dielectric constant and electrical conductivity. Its unique optical properties also make it suitable for optoelectronic devices, including photodetectors and light-emitting diodes (LEDs).
- The high ionic conductivity of bismuth oxide at elevated temperatures makes it an excellent electrolyte material for solid oxide fuel cells. These fuel cells are used for clean energy generation, with applications ranging from stationary power sources to automotive power.
- Leveraging its photocatalytic activity under UV and visible light, Bi2O3 nanopowder is used to break down organic pollutants and dyes in wastewater treatment processes. This helps in purifying water without the addition of harsh chemicals.
- Bismuth oxide is added to glasses and ceramics to improve their optical and mechanical properties. It is used in the production of glass with low melting points, high refractive index, and good thermal and chemical stability.
- The thermal stability of Bi2O3 makes it suitable for use in thermal barrier coatings in engines and turbines. These coatings protect components from high temperatures, thereby enhancing their lifespan and performance.