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.

Large SSA ceramic grade MGO Magnesium Oxide nanopowders
Large SSA ceramic grade MGO Magnesium Oxide nanopowders

Large SSA ceramic grade MGO Magnesium Oxide nanopowders   R652: Magnesium Oxide NanoPowder(MgO), 20-30nm, 99.9%, white solid powder.   Application of MGO Magnesium Oxide nanopowders in ceramic field 1. Preparation of ceramic capacitor dielectric material. The grain size of the obtained ceramic can be controlled within the range of 1000nm, with small dielectric loss, good material uniformity, which is suitable for the production of  multilayer ceramic capacitor with large-capacity, high insulation resistance, ultra-thin dielectric layer (dielectric layer is less than 10um). The addition amount is about 0.5%-5%. 2. Nano-ceramic powder, made of nano magnesium oxide, nano silica, nano alumina, nano zinc oxide and other powders, among which, nano magnesium oxide is 0.5%-4.0%, and the obtained nano ceramic powder having a far-infrared radiation, antibacterial, activated water, purified water, the dissolution of trace elements which are beneficial to human health, release of negative ions, improve seed germination rate and other healthy functions. It can be widely used in various ceramic products, environmental protection, textiles, drinking water treatment, equipment and containers such as alcohol and tobacco industries. 3. Sintered with nano Alumina( nano Al2O3), titanium dioxide(TiO2) and other together, obtaining nanocomposite ceramic additives can take place of precious metals Nickel/Ni to produce heat-resisting steel alternative. Wherein the amount of nano-magnesium oxide is 5%-18%. 4. Nanocrystalline composite ceramics makes use of nano titanium dioxide(TiO2), MGO Magnesium Oxide nanopowders, nano rare earth oxides and zirconium dioxide(ZrO2) as part of the additives, and successfully increased the content of Amorphous ZrO2 to 10-30wt%, and obtained a high zirconium Al2O3 -SiO2-ZrO2 ceramics, nanocrystalline composite ceramics, and crystal phase content is more than 90%, the main phase is mullite, cristobalite and tetragonal zirconia, tetragonal zirconia grains dispersed in which size is ≤1μm. Through this method, the properties of the materials are superior to that of conventional methods for preparing the same material. The hardness increased by 30%, the toughness increased by 6%, and the strength increased by 40%. 5. The glass ceramic coating,composed of MGO Magnesium Oxide nanopowders, nano silica(SiO2), boron oxide, nano alumina(Al2O3), cerium oxide nanoparticles, can effectively improve the mechanical strength of the catalyst, including abrasion resistance, hardness, compressive strength and impact resistance; and enhance active centers of the catalyst, thereby increasing the activity of the catalyst, saving the active ingredient and reducing costs. It is mainly used in diesel and gasoline engine for exhaust gas purification treatment processors. Wherein the amount of nano magnesium oxide(MgO) is 5%-18%. 6. Preparation of high toughness ceramic materials, using nano magnesium oxide(MgO) and yttrium oxide(Y2O3) or rare earth oxide as nano composite stabilizer to produce partially stabilized zirconia ceramics with excellent mechanical properties and resistence of high-temperature aging. The ceramic material can be widely used in high-temperature engineering components and advanced refractories. 7. As auxiliary components of the anti-reducing dielectric ceramic material. The addition amount is 0.001%-10mol% 8. As single-side carbon dioxide gas shielding arc welding ceramic plate material. Its addition amount of nano MgO is 1-10 wt% 9. The glass ceramics, nano silica(SiO2), nano titanium dioxide(TiO2), nano alumina(Al2O3), nano magnesium oxide(MgO) sintered glass ceramics can be processed by the float glass method to be transparent, especially for thin film semiconductor substrate, specifically applicable to the display and solar cell. Wherein the amount of nano magnesium oxide(MgO) is 6%-20%. by Corrine    

Buy Nano Graphite Powders
Buy Superfine Nano Graphite Powders Used as Conductive Coatings

Superfine nano graphite powder has good conductivity, widely used as conductive coatings.

Silver Nanowires
Nano Technology Silver Nanowires Semi-dry Dispersion Easier Dispersed

Our silver nanowires has updated the new technology, now could produce it about 500g one day and have prepared many inventorys.

SWCNT water dispersion
Water Dispersion of SWCNT for Reinforcement Composite

Water dispersion of SWNT may facilitate the incorporation of individual nanotubes into the matrix for reinforcement of the composite materials.

Water Soluble Nano Sio2 Powders Used for Fertilizer
Water Soluble Nano Sio2 Powders Used for Fertilizer

Water soluble nano sio2 powders is widely used for silicon fertilizer in agriculture.

Iron Oxide Red Nanopowders
Plastic Coloring Iron Oxide Red Nanopowders

Iron oxide red nanopowder is non-magnetic, 20-30NM, 100-200NM widely used in plastic pigment.

20-30nm SiO2
Nano-Silicon Dioxide 20-30nm SiO2 Nano Powder Use for Ceramics

Hongwu International Group Co., Ltd. has been a nanomaterial manufacturer since 2002.Nano-Silicon Dioxide can be used in the ceramic industry, etc., 20-30nm, with a purity of 99.8%.

Nano and micron hexagonal boron nitride powders
Nano and micron hexagonal boron nitride powders

hexagonal boron nitride powders available in nano and micron size with 99%+ purity.

Diamond Powders
Lubricating Materials Nano Polycrystalline Diamond Powders

Nano polycrystalline diamond powder is superfine, high purity, widely used in lubricating materials.

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.