SKU: 57894899381

Co3O4 nanoparticles

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Description

Co3O4 nanoparticlesProduct Name NameCo3O4 nanoparticles Product Overview Cobalt tetroxide belongs to transition metal oxides, which are in powder form and generally appear gray black or black in color. Its molecular weight is 240. 8, density is 6. 11cm2 g, and melting point is 895 C At room temperature, cobalt trioxide material is insoluble in water. When the temperature reaches above 900 C cobalt trioxide (Co3O4) decomposes into cobalt trioxide (Co2O3) and cobalt oxide

Product Name

Name:Co3O4 nanoparticles

 

 

Product Overview

Cobalt tetroxide belongs to transition metal oxides, which are in powder form and generally appear gray black or black in color. Its molecular weight is 240.8, density is 6.11cm2/g, and melting point is 895 ¡ãC At room temperature, cobalt trioxide material is insoluble in water. When the temperature reaches above 900 ¡ãC cobalt trioxide (Co3O4) decomposes into cobalt trioxide (Co2O3) and cobalt oxide (CoO), and the final products will stabilize into CoO. Meanwhile, cobalt trioxide is also a p-type semiconductor and antiferromagnetic material with a bandgap width of 1.5 eV. Co3O4 is a spinel type oxide with a lattice parameter of approximately 0.809nm. There are three methods for preparing cobalt trioxide based on the physical state of the required cobalt source: solid-phase method, gas-phase method, and liquid-phase method.


Technical Parameter

Status:Black powder

Diameter:10-40 nm(TEM:/span>

Magnetism:Non-Magnetic

 

Product Features

 

Electrochemical catalytic activity: Nano cobalt oxide exhibits excellent performance in the field of electrochemical catalysis, with good stability and high efficiency. It can be used as a catalyst for oxygen reduction reactions and hydrogen oxidation reactions, and is used in energy conversion technologies such as water splitting and fuel cells. Magnetism: Cobalt trioxide nanoparticles have magnetism, which makes them widely applicable in fields such as magnetic materials and magnetic storage devices. Photocatalytic performance: Nano cobalt oxide also has potential in the field of photocatalysis, which can catalyze the photolysis of water to produce hydrogen using sunlight or artificial light sources, providing a new solution for solar water splitting and sustainable energy. Gas sensitivity performance: Nano cobalt trioxide is sensitive to various gases and can be used in gas sensors and gas analysis fields, such as carbon dioxide sensors and toxic gas detectors. Enzyme like properties: Studies have shown that cobalt oxide nanoparticles exhibit peroxidase like and catalase like activity, which makes them potentially valuable in fields such as biosensing, disease diagnosis, and treatment.


Application Fields

 

Electrochemical catalyst: Nano cobalt trioxide has a wide range of applications in the field of electrochemical catalysis, such as catalysts used in energy conversion technologies such as fuel cells and water splitting. Lithium ion battery: Nano cobalt oxide can be used as a positive electrode material for lithium-ion batteries, with high specific capacity and good cycling performance, suitable for fields such as electric vehicles and rechargeable devices. Gas sensitive materials: Due to their sensitivity to various gases, nano cobalt oxide can be used in gas sensors and gas analysis fields, such as monitoring air quality and detecting toxic gases. Magnetic materials: By utilizing their magnetic properties, nano cobalt oxide can be used in fields such as magnetic data storage, magnetic sensors, and magnetic fluids. Biosensing: Based on its enzyme like properties, nano cobalt trioxide can be used in the field of biosensing, such as detecting biomolecules, disease markers, etc.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 57894899381

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Michelle Irvine
Massapequa, US
★★★★★ 1
Poor durability
Hand Orientation: Right, Color: Blue/Black, Hand Orientation: Right, Color: Blue/Black
Driver lasted 12 holes before the head snapped off.
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Reviewed in the United States on April 30, 2026
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Pug Mama
Lexington, US
★★★★★ 5
Good set of clubs for beginners to find out if golf is their game! You'll need a putter, though.
Hand Orientation: Right, Color: Blue/Black
This nice inexpensive set is great for a beginner at golf, which is me--never played before. I don't evem know if I'm going to like playing, but at least I have a set of clubs so that I can give it a try...it's the exercise from walking the course that appeals to me. My son says he can teach me, even using mens clubs. I figure if I like the game, I can get a nicer set of ladies clubs and pass this set to my grandson. If I don't like the game, I can still pass the set along to my grandson! My son thought these clubs were decent weight and quality and well worth the price...the only thing missing was a putter, but we found a cheaper one to add to the set.
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Reviewed in the United States on February 25, 2026
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Mickey
Cuba, US
★★★★★ 5
I’m enjoying the racket
Color: Black
It’s a good racket for a beginner!
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Reviewed in the United States on June 7, 2026
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JAMES ROCUSKIE
Bozeman, US
★★★★★ 5
Good value
Color: Black
Well made for the price and excellent choice for those just starting pickleball.
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Reviewed in the United States on May 22, 2026
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Cheap Grampa
Carnegie, US
★★★★★ 4
Good second-level pickleball paddles for a great price
Color: Black, Color: Black
I've been playing pickleball for a while now, though not ever well. I have progressed from wooden paddles and just trying things out to bundles of basic fiberglass paddles and balls to higher-end paddles that individually cost more than the "multi-paddle plus balls" bundles. I have kids and kids-in-law and grandkids, and not everyone has their own paddles. Thus, I purchased this set to get a couple more paddles. This Amazon Basics set of 2 paddles, four balls, and a carrying case is a starter set, maybe one step up from the basic wooden paddles that I started with. The paddles are nice, light-weight but sturdy, with a decent surface that should allow some level of control. The grips are nice, and there is some additional grip tape you can use to retape a handle that wears out. The balls are standard balls, and should get you started. The case is similar to cases I've purchased before with other sets. Unfortunately, the makers skimped on the zipper. It only has one (another case from a similar set had two zippers), and after just a few uses, the zipper completely fell off (see photo). This makes the case completely useless, and definitely drops my rating. But, given the price, the quality of the paddles, and the four balls, this is still a great starter set, even without a cheap carrying case. I'm happy to have the extra balls and paddles.
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Reviewed in the United States on February 15, 2026

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