SKU: 44992347510

Few Layers Nano MoS2 Suspension

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Description

Few Layers Nano MoS2 SuspensionProduct Name NameFew Layers Nano MoS2 Suspension 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:Few Layers  Nano MoS2 Suspension 

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.

The WS2 provided by Xianfeng is prepared by lithium intercalation method, using n-butyl lithium as intercalation agent to insert lithium ions into the interlayer of WS2, forming LixWS2 intercalation compound. The intercalation compound reacts violently with solvent water to generate a large amount of H2, thereby increasing the interlayer spacing of WS2 and weakening the van der Waals forces between layers. After ultrasonic treatment, thin and few layer WS2 dispersions are obtained. The WS2 nanosheets obtained by lithium intercalation method have a 1T-2H phase hybrid structure. According to XPS calculation, the fitting ratio of 1T phase is about 60% (the values may vary between different batches).


Technical Parameter

Diameter:.02-1um

Layers:-10

Thickness:-8 nm

Concentration: mg/mL

Solvent: water or EtOH

Stablizer :LiOH

 

Product Features

1. Good dispersibility: Different types of solvents (water, ethanol, DMF) are available for dispersion, as well as MoS2 powder obtained by freeze-drying the dispersion.

2. Multiple active sites: It has good catalytic performance and a large specific surface area that can be used to load other catalysts to improve catalytic efficiency.

3. Excellent light absorption ability: It has strong absorption ability for visible light and can be used for photocatalytic water splitting to produce hydrogen, organic pollutant degradation, etc.

4. Adjustable size and thickness: Different diameters and thicknesses of nanosheets can be customized to meet the experimental needs of different researchers.


Application Fields

1. Electronic and optoelectronic devices: MoS2 can be used in the manufacturing of transistor electronic devices due to its high electron mobility, large on/off current ratio, and current carrying capacity.

2. Electrochemical biosensors: MoS2 exhibits excellent electrochemical sensing performance due to its large specific surface area, good electron mobility, and high electron density of states,

Can be used to detect biomolecules such as DNA and glucose.

3. Biomedical: MoS2 nanosheets can convert light energy into heat energy, and the high temperature generated can cause tumor cell apoptosis, making them an excellent photothermal conversion material.

4. Lithium ion battery material: MoS2 is an ideal lithium-ion battery material due to its unique layered structure, where weak van der Waals forces combine to facilitate the insertion of lithium ions between the layers.

5. Catalyst: MoS2 nanosheets have the characteristics of large specific surface area and high surface activity, and exhibit good catalytic activity in hydrogenation desulfurization and photocatalytic hydrolysis for hydrogen production.


INSTRUCTION FOR USE

Attention: When taking TEM images, it is necessary to use micro grids (with the thinnest possible thickness) to prepare samples, which makes it easy to observe their layered structure; Dispersed liquid is prone to oxidation when exposed to air, and its color will fade over time. When storing, inert gas can be introduced to remove oxygen and extend the use time; The dispersion liquid will contain lithium hydroxide, which acts as a stabilizer to aid dispersion and can be removed by centrifugal washing; The powder is obtained by freeze-drying the dispersion, and its dispersibility is slightly worse than that of the original solution.

 

Related Information

Please e-mail for the detailed characterization data.


E-mail:[email protected]

 

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SKU: 44992347510

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TAY
Carnegie, US
★★★★★ 4
Subtle but works!!
Okay there are PRICEY for the small amount you receive. I believe they work for sure and will buy them again but which they would put a FEW MORE in a pack because they are not like miracle patched and you definitely need two packs to see a significant difference.
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Reviewed in the United States on March 11, 2024
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Alissa
West Palm Beach, US
★★★★★ 3
Did nothing for hyperpigmentation, worked well on active blemish
I use these for an active blemish and they work well for reducing inflammation and redness. They are marketed for hyperpigmentation, but they didn’t seem to have much of an effect on lingering redness from an old breakout after a few uses so I decided to use them on a whitehead that popped up on my chin. I bought two packages and had passed the return window so I figured couldn’t hurt. After a few hours with this patch on, the whitehead and surrounding redness virtually disappeared. They are almost invisible on the skin IF you can remove them from their clamshell packaging without scrunching up and wrinkling the edge of patch. BIG IF!!! Most of the time I mess up the edge of the patch making the wrinkled edge visible on my face. I wear them around the house so I don’t really care about that, but it’s worth mentioning. You have to remove them from the packaging VERY carefully to keep the patch smooth. I’ve been mostly unsuccessful at removing them without scrunching up an edge. Oh well. Peach Slices makes a similar product for acne, “deep blemish microdarts”. I haven’t tried those, nor do I plan to because the amount of product that you get for either kind of micro dart is not a good value to me. I wish these were less expensive. I do like the way the micro dart feels when you apply it- kind of a satisfying stinging sensation- like the ingredients are really penetrating. I would not call it painful. A moment of sting and it’s on there doing it’s job. It stays on well while doing basic daily activities (like doing the dishes, working at a desk). Can’t say how it would hold up to something more vigorous like a jog or bike ride or anything that would make you break a sweat. I like the product and the result on blemishes, but I can’t justify the cost. A warm compress and followed by a vitamin C serum on a blemish works just as well and it’s way more cost effective, albeit less convenient. Also, the ingredients in the product description are incomplete. See photo- they contain Butylene Glycol which is sometimes irritating to my skin. Luckily, these patches didn’t irritate me. Having to 3rd party check the ingredients for cosmetics from Amazon irritates me though 😒 If these are affordable for you for the occasional blemish, I would recommend. Did nothing for hyperpigmentation and way too expensive for me to combat a full breakout or even a daily random pimple. I’ll use the ones I have but would not purchase again.
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Reviewed in the United States on June 8, 2021
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Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 1
Didn’t Work for Me
This purchase was a complete waste of time and money for me. The dots did absolutely nothing to reduce the color of a sun spot on my cheek. I used them according to the instructions for consecutive days. The dots are gone, but the spot on my skin remains as dark as before. Maybe they work better for pimple discoloration.
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Reviewed in the United States on June 2, 2026
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eileen
Birmingham, US
★★★★★ 5
Really works…
I feel like this company and its product. I used these and I can honestly say that it works and worth the money
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Reviewed in the United States on June 7, 2026
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Andrea
Grantham, US
★★★★★ 5
Very Effective!
I have enjoyed all of the Peach Slices products I’ve purchased so far. These are by far my favorite. I noticed a difference after leaving one of these on overnight on a red spot where a pimple had been. It was probably 50% lighter the next day. They are very pliable and hardly noticeable on your skin. I just wish more than 9 came in a package.
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Reviewed in the United States on February 24, 2026

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