Iron Oxide Nanopowder (Fe2O3, gamma, high purity, 99.5+%, 20 nm)

Iron oxide nanopowder (Fe₂O₃, gamma phase, high purity, 99.5+%, 20 nm) is a specialized nanomaterial with enhanced purity and nanoscale properties, making it highly suitable for advanced applications across various fields, including biomedicine, electronics, catalysis, and environmental science.

Composition and Structure

• Fe₂O₃ (Iron(III) Oxide):
  • A chemical compound made of iron in the +3 oxidation state combined with oxygen.
  • Its gamma phase is particularly valued for its magnetic properties and catalytic efficiency.
• Gamma Phase (γ-Fe₂O₃):
  • A metastable polymorph of iron oxide known as maghemite, characterized by excellent magnetic properties.
  • Commonly used in magnetic materials, coatings, and functionalized nanoparticles.
• High Purity (99.5+%):
  • The superior purity level ensures reduced contaminants, which is critical for precision applications like biomedical devices and sensitive electronics.
• Particle Size (20 nm):
  • The uniform 20 nm size ensures a high surface area while maintaining stability, enhancing both reactivity and compatibility with diverse applications.

Properties

1. Magnetic Behavior:
   • At the nanoscale, γ-Fe₂O₃ exhibits superparamagnetism, making it ideal for dynamic magnetic applications.
2. High Surface Area:
   • The small size results in a high surface-to-volume ratio, increasing reactivity and efficiency in catalytic and adsorption processes.
3. Thermal and Chemical Stability:
   • Stable under a wide range of conditions, enabling durability in both industrial and biomedical uses.
4. Biocompatibility:
   • With proper surface functionalization, γ-Fe₂O₃ is safe for biomedical applications such as drug delivery.

Applications

1. Biomedical Applications:

• Drug Delivery Systems:
  • Functionalized particles are used to deliver drugs precisely to target cells, guided by magnetic fields.
• Imaging Enhancements:
  • Acts as a contrast agent in MRI, improving imaging quality and resolution.
• Cancer Treatment:
  • Utilized in hyperthermia therapy, where the nanoparticles generate heat under an alternating magnetic field to destroy cancerous tissues.

2. Catalysis:

• Chemical Reactions:
  • High surface area and reactivity make it an effective catalyst in oxidation and hydrogenation processes.
• Environmental Remediation:
  • Catalyzes the degradation of organic pollutants in water and air purification systems.

3. Electronics and Magnetics:

• Magnetic Storage Devices:
  • Integral in magnetic tapes and hard drives for data storage due to its ability to retain information in magnetic domains.
• Advanced Sensors:
  • Used in gas and biosensors due to changes in magnetic or electrical properties in response to environmental stimuli.

4. Energy Applications:

• Battery Technology:
  • Improves the performance of electrodes in lithium-ion batteries by enhancing energy density and stability.
• Photocatalysis:
  • Converts solar energy into chemical energy, useful in applications like hydrogen production and pollutant degradation.

5. Environmental Applications:

• Water Purification:
  • Adsorbs and removes contaminants, such as heavy metals and dyes, from water.
• Pollutant Degradation:
  • Acts as a catalyst in reactions that break down harmful industrial byproducts.

Safety and Handling

• Health Considerations:
  • Nanoparticles can cross biological barriers, necessitating proper protective equipment like gloves and masks during handling.
• Environmental Impact:
  • High-purity γ-Fe₂O₃ is less toxic, but ongoing research ensures its safe disposal and environmental compatibility.

Summary

Iron oxide nanopowder (Fe₂O₃, gamma phase, high purity, 99.5+%, 20 nm) combines the benefits of high purity, nanoscale size, and magnetic properties, making it a critical material for diverse applications. Its stability, reactivity, and biocompatibility are tailored for innovative solutions in medicine, environmental science, catalysis, and advanced electronics. This material is a cornerstone of modern nanotechnology, bridging research and industry with cutting-edge capabilities.