banner

Products

Home Oxides Nanoparticles

Ultrafine Cobalt Oxide Powder Co3O4 nanoparticles

Categories

New products

  • 99.99% beta sic nano powders

    99.99% high purity beta sic nano powders Our 4N nano β-SiC (99.99% purity) is precision-synthesized via CVD, delivering ultra-fine particle size with exceptional sintering activity for high-density ceramic components. It thrives in the most demanding semiconductor environments — from CMP chucks and lithography stages to plasma etch focus rings and chamber liners. Its chemical inertness and minimal metal impurity outgassing maximize chip yield where it matters most. Trusted by leading fabs and equipment makers worldwide. more

  • Transparent SiO₂ aqueous dispersion

    Monodisperse spherical Nano SiO₂ aqueous dispersion/colloid This transparent SiO₂ aqueous dispersion is synthesized via patented sol-gel technology, featuring optical excellence visible light transmittance and shelf life >18 months under ambient storage. It is widely used in electronics as low-k dielectric materials, in biomedicine as drug carriers, and in optics for anti-reflection coatings. more

  • Nano Titanium Suboxide Ti₄O₇ Powder

    Magnéli Phase Nano Titanium suboxide Ti₄O₇ Powder Magnéli phase Nano titanium suboxide (Ti₄O₇) is an advanced functional material with a unique crystal structure, appearing as a blue-black powder with a precisely controlled particle size of 200–300 nm and a purity of up to 99.9%. As an important member of the titanium oxide family, Ti₄O₇ combines excellent electrical conductivity, chemical stability, and catalytic activity, making it an ideal choice for new energy, environmental protection, and electronics applications. more

  • Boron Nitride Nanotubes

    Boron Nitride Nanotubes(BNNTs): High Thermal Conductivity Heat Dissipation Fillers BNNTs share the tubular structure of carbon nanotubes but deliver fundamentally different properties: electrical insulation, superior thermal stability (up to 900°C in air), and high thermal conductivity. With a wide bandgap of ~5.5 eV, they offer consistent, predictable performance where CNTs fall short. more

  • Phase-Smart VO₂ Nanoparticles

    Phase-Smart VO₂ Nanoparticles: Intelligent Thermal Response, Engineered to Order From Thermochromic Color Change material to Intelligent Temperature Control material: The Performance Revolution and Application Blueprint of Vanadium Dioxide and Tungsten-Doped VO2 more

  • Precision Ceramic 3D Printing Solutions

    Precision Ceramic 3D Printing Solutions​ turns impossible structures into reality Precision Ceramic 3D Printing Solutions – Redefining the boundaries of ceramic manufacturing, from dental restorations to aerospace-grade high-temperature components.Precision ceramic 3D printing turns impossible structures into reality. more

  • nickel nanowires NiNWs

    New conductive material nickel nanowires NiNWs Hongwu Nickel nanowires have a wide range of potential applications in electronic materials, catalysis, polymers, magnetic storage ultra-high density recording materials, sensors and self-lubricating materials. more

  • Antibacterial Nano Silver Colloid

    Transparent Colloidal Ag Antibacterial Nano Silver Colloid Ag (Antibacterial Nano Silver Colloid) has been well known antibacterial, antiviral and antifungal properties are enhanced by small particle size and large surface area. more

  • Nano silica particles used in epoxy resin, superhydrophobic coating nano silica powder

    Nano silica particles used in epoxy resin, superhydrophobic coating nano silica powder Nano silica particles, 20-30nm, 99.8% purity, widely used in exposy resin and superhydrophobic coating. more

Latest news

Some nanomaterials for Thermochromic Application Some nanomaterials for Thermochromic Application

Thermochromism refers to the phenomenon where a material undergoes color changes under temperature changes. This change is usually caused by changes in the electronic or molecular structure of the material. Its application principle mainly involves t...

Ultrafine Cobalt Oxide Powder Co3O4 nanoparticles

Cobalt tetroxide is an important magnetic material and P-type semiconductor, which has important applications in heterogeneous catalysis, anode materials for lithium-ion rechargeable batteries, solid-state sensors, electrochromic devices, and solar energy absorbing materials.

  • product origin:

    Xuzhou, Jiangsu, China
  • payment:

    100% advance payment
pPoduct Details

ultrafine cobalt oxide powder Co3O4 nanoparticles 

Particle size: 100-200nm

Purity: 99%

Type: Cubic

Appearance: black powder

Package: 100g, 500g, 1kg in double anti-static bags


Cobalt tetroxide is an important functional material. Its cubic spinel structure and suitable band gap make it show excellent electrochemical and photocatalytic properties, and it has a broad application prospect.
Cobalt tetroxide is an important magnetic material and P-type semiconductor, which has important applications in heterogeneous catalysis, anode materials for lithium-ion rechargeable batteries, solid-state sensors, electrochromic devices, and solar energy absorbing materials.

A free consultation

Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.

Related Products
High purity 99.99% Nano Lu2O3 Lutetium oxide nanopowders
High purity 99.99% Nano Lu2O3 Lutetium oxide nanopowders

Hongwu International Group Ltd Product Name: Lutetium oxide nanopowder Formula: Lu2O3 Molecular weight: 397.93 Particle size:<100nm Puirty: 99.99% CAS: 12032-20-1 Appearance: white solid powder Properties: Insoluble in water, Soluble in non-polar acid, easy to absorb carbon dioxide and water in the air. Application of lutetium oxide nanopowders: Used in laser materials, light-emitting materials, electronic industrial materials, nd-fe-b permanent magnet materials, chemical additives and scientific research, etc We, Hongwu Nanometer, are offering different shape & size Nanoparticles, Nanopowders, Nanowires, Micropowder, Carbon Nanotube, Surface Coating, Dispersion, Compounds and Innovative Materials. If you have a question about pricing, need a quote, would like to inquire about whether an item is in stock, or require any other assistance in placing an order, please call or e-mail us at hwnano@xuzhounano.com

Cesium tungsten bronze
Cesium tungsten bronze nanopowders Cs0.33WO3 for PVB insulation clamp film

China manufacturer and exporter drect offer, ISO certificated factory, assure safe production and stable quality, both sample order and batch orders are available.  CS0.33WO3  100-200nm, 99.9%

Ti4O7 nanopowder
Nano Titanium Heptoxide Powder Titanium Suboxides Ti4O7 Nanoparticle

Nano Titanium Heptoxide (Ti4O7) is a low-valence titanium oxide with a unique partially reduced Ti4+/Ti3+ mixed-valence structure. Unlike conventional TiO2, it exhibits metallic-like conductivity and exceptional chemical stability, making it valuable in advanced application.

Titanium oxide nanotubes
Titanium oxide nanotubes degradation methyl orange in textile industry

Buy good quality titanium oxide nanotube/tio2 nanotubes for degradation methyl orange in textile industry

Rutile TiO2
30-50nm Rutile TiO2 Nanopowders

Rutile Titanium Doxide Nanopowders have the feature of non-toxic ,the best whiteness and the radiance apply to produce the sun cream .

Tetragonal BaTiO3 Nano Powder
Tetragonal BaTiO3 Nano Powder Square Barium Titanate Particle for Electronic

Barium titanate is a mixed oxide of barium and titanium, also called barium metatitanate, and its chemical formula is BaTiO3. Barium titanate is a ferroelectric ceramic material with light refraction effect and piezoelectric properties.

silicon carbide nanowire
Silicon Carbide Nanowire Used in Field Emission Nano SiC Wires

Hongwu Nano have manufactured and supplied nano silicon carbide materials since 2002, including zero dimensional particles and one dimensional whisker and nanowires with various specifications to meet different demands. Good and stable quality for batch production materials.

Gold nanoparticles dispersion
Nano gold dispersion/Colloidal gold nanoparticles for sale

Major applications of nano gold dispersion include, but are not limited to cell detection, microscopic tracers, specular gold and silver staining, western blotting, biosensors, biochips, drug residue detection, gene-regulated drug synthesis, drug transport, and photochemotherapy.

Nano cobalt oxide (Co3O4)
Nano cobalt oxide (Co3O4) powder Properties and Application

Nano cobalt oxide Co3O4 nanoparticles demonstrate stability and high efficiency in electrochemical reactions. Moreover, they possess magnetic properties, making them valuable in fields such as magnetic materials, storage devices, and sensors. Co3O4 finds applications as an electrochemical catalyst in energy conversion technologies like water splitting and fuel cells, as well as in lithium-ion batteries, gas sensors, photocatalysis, and magnetic materials.

Copper Zinc Alloy Nanopowders
70nm Copper Zinc Alloy Nanopowders Cu-Zn Nanoparticles

Cu-Zn alloy nanopowders, particle size 70nm, Cu:Zn=65:35, factory price. If need other particle size,kindly contact us for customize service to check feasibility, thanks.

10nm Tin Dioxide Powder SnO2 Nanoparticle for Battery
10nm Tin Dioxide Powder SnO2 Nanoparticle for Battery

Nano Tin Dioxide material is widely used in the field of lithium batteries due to its good permeability to visible light, excellent chemical stability, and specific conductivity and infrared radiation reflection characteristics.

Nanotech 20nm 99.99 au nano gold powders price
Nanotech 20nm 99.99 au nano gold powders price

Best quality Nanotech 20nm 99.99 au nano gold powder price from HWNANO supplier.

Copyright © 2010-2026 Hongwu International Group Ltd All Rights Reserved.

The professional team to service !

Chat now

Live chat

    Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.