Blogs, nanopowder   0   12 March 2025

What is Zinc Ferrite (ZnFe₂O₄) Micron Powder?

Zinc Ferrite (ZnFe₂O₄), also known as Zinc Iron Oxide, is a magnetic spinel ferrite material with excellent electrical, optical, and catalytic properties. It is widely used in electronics, energy storage, magnetic materials, sensors, and environmental remediation due to its superparamagnetic behavior, chemical stability, and photocatalytic activity.

Chemical Properties of Zinc Ferrite (ZnFe₂O₄) Micron Powder

  • Chemical Formula: ZnFe₂O₄
  • Molecular Weight: 241.08 g/mol
  • Density: ~5.1 g/cm³
  • Melting Point: ~1,500°C
  • Magnetic Properties: Superparamagnetic (at nanoscale)
  • Band Gap Energy: ~1.9 – 2.1 eV (Photocatalytic Applications)
  • Solubility: Insoluble in water, soluble in acids
  • CAS Number: 12645-50-0

Applications of Zinc Ferrite (ZnFe₂O₄) Micron Powder

  1. Electronics & Magnetic Materials

    • Used in magnetic sensors, inductors, and transformers.
    • Applied in radio-frequency (RF) and microwave devices.

  2. Energy Storage & Supercapacitors

    • Enhances electrode performance in lithium-ion batteries (LIBs).
    • Improves charge storage in supercapacitors due to its electrochemical properties.

  3. Photocatalysis & Environmental Remediation

    • Acts as a visible-light-driven photocatalyst for water purification and air pollution control.
    • Used in photodegradation of organic pollutants in wastewater treatment.

  4. Biomedical Applications

    • Used in targeted drug delivery and MRI contrast agents due to its magnetic properties.
    • Applied in hyperthermia cancer treatment to generate localized heat in tumors.

  5. Gas Sensors & Chemical Detection

    • Improves sensitivity in gas sensors for detecting CO, NO₂, and other toxic gases.

  6. Solar Cells & Optoelectronics

    • Used in dye-sensitized solar cells (DSSCs) and thin-film solar technology.
    • Enhances light absorption and efficiency in photovoltaic devices.

  7. Catalysis & Chemical Processing

    • Acts as a catalyst in hydrogen production, CO₂ reduction, and fuel cell technologies.

Zinc Ferrite (ZnFe₂O₄) Micron Powder Prices

Pricing depends on purity, particle size, and application-specific modifications.

  • Industrial Grade (99% Purity): $50 – $200 per kg
  • High Purity (99.9% – 99.99% Research & Biomedical Grade): $500 – $2,000 per kg
  • Customized Surface-Modified ZnFe₂O₄ (Functionalized for Specific Applications): $2,000 – $5,000 per kg

Prices fluctuate based on market demand, synthesis methods, and availability of raw materials.

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