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.

Ceramic Materials Alpha Si3N4 Silicon Nitride Powder
Ceramic Materials Alpha Si3N4 Silicon Nitride Powder

Our silicon nitride powder is in alpha phase, high purity from 99.9%-99.99%, widely used in ceramic materials.

High Puity Tantalum Oxide (Ta2O5) Nanoparticles,100-200nm
High Puity Tantalum Oxide (Ta2O5) Nanoparticles,100-200nm

High Puity Tantalum Oxide (Ta2O5) Nanoparticles,100-200nm   Product Name: Tantalum Oxide; Tantalum Pentoxide Formula: Ta2O5 Cas No.: 1314-61-0 Particles Size: 100-200nm,300-500nm,1-2um...customization Purity: 99.9%+ Appearance:White solid powder Packing: 100g, 500g, 1kg or as needed               Applications of Tantalum Oxide Ta2O5 nanoparticles:   1. Dental imaging, CT Scans and X-rays 2. Coatings and plastics 3. Alloys and catalyst applications.       Our commitment to quality and customer service have established us a leader in the international nanomaterials market.  If you are looking for related products that are not in our product list yet, our experienced and dedicated team is ready for help. Do not hesitate to contact us at hwnano@xuzhounano.com. 

Nanoscale Iron Particles
Nanoscale Iron Particles Wet Powder Suppliers, Nano Iron Particles Price

As nano iron particle active is very high, generally we supply in wet powder form, particle size has 20nm, 40nm, 70nm, 100nm.99.9%

Single Layer Carbon Nanohorn for Catalyst Carrier,  Single Layer Carbon Nanohorn price
Single Layer Carbon Nanohorn for Catalyst Carrier, Single Layer Carbon Nanohorn price

Single layer carbon nanohorn is widely used for catalyst carrier and drugs carrier.

SnO2 nano
20nm Stannic Oxide Particle 99.99% SnO2 Nanopowder

Hongwu International Group Ltd supply SnO2 nanopowder with the size of 20nm, 30nm, 70-80nm with 99.99%purity.  Antimony Doped Tin Oxide(ATO) nanopowder is also available.

Buy Graphene oxide nanopowders quality single layer GO powders
Buy Graphene oxide nanopowders quality single layer GO powders

Graphene is an entirely new material with unique properties: it conducts electricity as well as copper, and it conducts heat better than any known material, has a wide range of application prospects.

Nano Aluminum-Silicon Alloy Powder, Nano Al-Si Alloy Powder
Nano Aluminum-Silicon Alloy Powder, Nano Al-Si Alloy Powder, Aluminum Silicon Powder

Nano aluminum-silicon alloy powder, 70nm, Al:Si=88:12, could supply other particle size.

Aluminum Nitride Ceramic Crucibles Used AlN Nano Aluminum Nitride Powders
Aluminum Nitride Ceramic Crucibles Used AlN Nano Aluminum Nitride Powders

Hexagonal or amorphous nano aluminum nitride powders is widely used as aluminum nitride ceramic crucibles.

Nano anatase Tio2 titanium dioxide powder for water treatment in swimming pool
Nano anatase Tio2 titanium dioxide powder for water treatment in swimming pool

Best quality Nano anatase Tio2 titanium dioxide powder for water treatment in swimming pool.

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.