WS2 nanosheets dispersion
SKU: 10421055527

WS2 nanosheets dispersion

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Description

WS2 nanosheets dispersionProduct Name Name: WS2 nanosheets dispersion Product Overview Tungsten disulfide (WS2) is a type of transition metal sulfide (TMDC) with a graphene like layered structure, where the layers are stacked together by weak van der Waals forces. Single layer WS2 is composed of three layers of atoms, with the atomic planes of W and S arranged in a hexagonal array. The W atoms are sandwiched between the two layers of S atoms, forming an S W S atomic layer

Product Name

Name: WS2 nanosheets dispersion

Product Overview

Tungsten disulfide (WS2) is a type of transition metal sulfide (TMDC) with a graphene like layered structure, where the layers are stacked together by weak van der Waals forces. Single layer WS2 is composed of three layers of atoms, with the atomic planes of W and S arranged in a hexagonal array. The W atoms are sandwiched between the two layers of S atoms, forming an S-W-S atomic layer structure with a "sandwich" structure. Multi layer or block WS2 is composed of single layers stacked together. Depending on the stacking method of the single layers, WS2 has three crystal structures: 1T, 2H, and 3R.

The synthesis methods of WS2 are mainly divided into two categories: "top-down" stripping method and "bottom-up" method. The "top-down" exfoliation method includes micro mechanical exfoliation, liquid-phase exfoliation, and lithium-ion intercalation, mainly using physical means to exfoliate the bulk WS2 into a single-layer or few layer layered structure. The "bottom-up" method includes chemical vapor deposition, hydrothermal method, and high-temperature thermal decomposition method, mainly using chemical means to grow atoms and molecules into nanoscale thin films and granular WS2 under certain environmental conditions.

XF210 WS2 dispersion was prepared by liquid-phase exfoliation method, resulting in a 2H phase. According to different application requirements, various solvents such as water ethanol, DMF, NMP, etc. can be selected as dispersion media.


Technical Parameter

Thickness: 1-10 layers

Size: 50nm-1μm

Concentration: 1mg/mL

Solvent: Water-Ethanol,NMP,DMF,IPA

Product Features

Single crystal and high purity: The liquid-phase exfoliation method can prepare single crystal tungsten disulfide nanosheets with a pure 2H phase structure.

Good dispersibility: The dispersion of tungsten disulfide nanosheets obtained by liquid-phase exfoliation method has good dispersibility and can stably exist in various solvents, such as water ethanol, DMF, NMP, etc.

Multifunctionality: Tungsten disulfide nanosheets have enhanced electronic, optoelectronic, sensing, and catalytic properties, making them suitable for fields such as electrochemical energy storage, electrochemical catalysis, device manufacturing, and biological research.

Low friction coefficient and high compressive strength: As a lubricant, tungsten disulfide has better performance than molybdenum disulfide, with lower friction coefficient and higher compressive strength.


Application Fields

Semiconductor materials: Tungsten disulfide nanosheets are widely used in the semiconductor field due to their unique electronic properties.

Electrochemical energy storage: In batteries and fuel cells, tungsten disulfide nanosheets can be used as electrode materials to improve energy density and cycling stability.

Catalyst: Due to its high specific surface area and active sites, tungsten disulfide nanosheets exhibit excellent catalytic performance in catalytic reactions.

Biological detection and medical applications: In the biomedical field, tungsten disulfide nanosheets can be used for biological imaging, drug delivery, and biosensors.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 10421055527

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Shelley
Grantham, US
★★★★★ 5
Play fetch in the dark! My dog loves these balls!
Size: 2.5in Medium Treat
My dog loves these glow in the dark balls! The squeak is an added bonus! They get glowing very fast, in just seconds, and they bounce erratically making the dog go even more crazy chasing them! They are also indestructible. She is a strong chewer and none of these balls even has a scratch yet.
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Reviewed in the United States on April 14, 2026
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Stacey
Dallas, US
★★★★★ 5
Fun Durable and My Dog Loves Them
Size: 3.5in Large
I bought these glow squeaky balls for my dog and they have been a huge hit. The size is perfect for medium to large dogs and the material feels sturdy enough to handle plenty of playtime. My dog usually destroys toys within a few days but these have held up really well and still squeak loudly which keeps him interested. The glow feature is surprisingly useful. We play fetch in the evenings and being able to spot the ball in the grass makes it so much easier. It also adds a fun element to nighttime play. The squeak is loud but not annoying and it really grabs my dog’s attention. Having four in a pack is a great value. I can keep one inside the house one outside and still have extras ready. The texture is also easy to clean which is important because they definitely get muddy after outdoor play. Pros: durable material fun squeak glows in the dark easy to clean and great value for the price. Cons: my dog loves them so much that he insists on carrying one everywhere. Overall this is an excellent set of dog toys. They are durable fun and practical. I would recommend them to anyone who has an active dog that loves to fetch and squeak.
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Reviewed in the United States on September 2, 2025
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Marissa
Alexandria, US
★★★★★ 5
Buy this for your pet!
Size: 2.5in Medium
My dogs absolutely loves These! I usually go play with them in the dark and the glow is so perfect, it bounces great and pet enjoyment of the toy.
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Reviewed in the United States on April 10, 2026
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Debbie
Cuba, US
★★★★★ 5
Awesome but a tiny bit small
Size: 2.5in Medium
They’re a little smaller than my chuck it stick, but still works well. They hold a glow-charge well, my dog loves them and the squeaker
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Reviewed in the United States on April 6, 2026
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Amazon Customer
Dallas, US
★★★★★ 1
Little glow that does not last
Size: 2.5in Medium, Size: 2.5in Medium
Total waste of money. These sat all day in Texas sun then were under a 60 watt lamp until I took them outside at night. There was barely any glow to the balls and the littl glow they had didn't last 10 minutes. I thought they were same size as a chuck it ball but they are slightly smaller. The 3x5 card in photo should sit evenly on top of all 3 balls. It doesn't because these are smaller. I have a 70 pound Malinois and these were just too small for me to feel comfortable using as I had concerns of them going down his throat. If you are looking for a fun night time toy you need to look elsewhere. I'd give zero stars if I could.
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Reviewed in the United States on January 9, 2026

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