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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Scoobie Doo
Lake Worth, US
★★★★★ 5
Cute and soft dog toy!
Color: Gray, Size: 8 IN
This very cute armadillo dog toy is nice and soft for our Golden Retriever to carry around in his mouth. He eventually likes to pull off the legs, ears, or anything else extending from the body of the toy and so far he hasn’t been able to do so with this one. Not saying that it’s not possible, so as with any toy, you should monitor your dog playing with it as we definitely have to. He also likes to continually make his toys squeak and this toy’s squeaker works very well!
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Reviewed in the United States on June 4, 2026
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Doc
Lake Worth, US
★★★★★ 5
Great Toy for tiny to giant pups
Color: Gray, Size: 8 IN
Cute Amarillo. My teacup Yorkie uses it as a pillow or chases and attacks it. Well stretched does not easily fall apart. Good value for the money. Suitable for all sized dogs.
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Reviewed in the United States on June 3, 2026
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Verified Purchase
James Brummett
Belleville, US
★★★★★ 4
Fun dog toy, but not for heavy chewers
Color: Pink, Size: 14 IN
The armadillo is cute. My pittie, Sasha, was very excited to see it. She just had TPLO surgery on her left knee (she tore her ACL just before the 4th of July), and I wanted to get her something she could play with while she convalesces, that isn't a ball—she really likes to run and jump and chase the ball, but with her knee out of commission, I didn't want her to get depressed being trapped in her crate while she heals—with this toy, she was able to keep playing and not over excert herself and get more hurt. It quickly became her favorite toy; she chews it relentlessly and gets made when I take it from her (see below). It makes a funky squeak that's not a high-pitched squeak, like I thought it would be; it's more a low-pitched, lowing sound like a baby calf. One thing I would like to point out to other purchasers about what the description says: "Durable and Long Lasting - Made from premium soft materials, our cute plush dog toys can withstand rough play for indoor or outdoor and last for years to come. The textured surface also helps massage and soothe your dog's gums during playtime" This is a little misleading. It's a good texture and Sasha loved to play with it, but it wasn't very durable. It might be when compared to other chew toys, but not for my baby. She tore the nose off within 20 minutes of getting it. The next morning, she ripped off an ear, and I had to pull the stuffing out of the face so she wouldn't eat it while chewing away. She doesn't seem to mind, but I sure wish it had held up a little more. All-in-all, this was a good toy for a few days.
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Reviewed in the United States on July 29, 2025
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Verified Purchase
Maria
Chelsea, US
★★★★★ 5
Cute durable dog toy that my puppy loves
Color: Blue, Size: 8 IN
This small light weight dog toy is very durable, super cute, and my dog loves it. My dog tears everything up but he hasn't made a dent in this; very durable and chew resistant. He seems to really like that it makes a lower squeak noise. I threw this in my cart at the last minute before checkout and I am pleasantly surprised with the quality. I would say this toy is worth the price; suitable for small to medium sized dog.
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Reviewed in the United States on June 2, 2026
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IntelliCABlonde
Lexington, US
★★★★★ 5
Nice toy for a bigger dog
Color: Gray, Size: 6 IN
My little rescue chihuahua has exactly one toy he can make squeak. This one is cute and he did try, but no luck. I have two large baskets of toys I've bought in the 3 years I've had him. He is only able to make one squeak. He loves it to death because he loves the squeak. It's a hedgehog that I will try to find on Amazon and replace. Poor little dog just has a very small mouth.
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Reviewed in the United States on June 3, 2026

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