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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Wade
Pawtucket, US
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Great jeans for work
Size: 36W x 36L, Color: Vintage Indigo
I generally do not buy wranglers, but needed some work jeans, nice loose fit, very comfortable, size 36x36 waas spot on
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Muy bueno pantalones. Ordering a few more pairs
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God bless the USA
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Zac
Los Angeles, US
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I’m satisfied
Size: 42W x 34L Long, Color: Antique Navy
Fits great, and the pair I had previously are going on 4 years old and still wearable. Definitely worth the price
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Houston, US
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Jeans that fit!!!!!!!*
Size: 38W x 36L, Color: Antique Navy
These jeans are a good fit for me. Very satisfied.
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ictester
Alexandria, US
★★★★★ 3
These were my new "Go To" jeans, not so much after a wearing for a year
Size: 35W x 32L, Color: Antique Indigo, Size: 35W x 32L, Color: Antique Indigo
Love 'em already after only one day of wearing them. I am a 7 days a week, jeans wearing kind of guy pretty much. Office job and recreation. I got scared away from my usual beloved ***tco jeans because of the bad reviews on their site for their now "Made in China" 12.99 jeans which used to be made in Mexico. So off to Amazon to shop for my first Amazon clothes purchase. Found these Antique Indigo Wrangler jeans for just under double the warehouse price. Advantage was they had the exact size I wanted (35Wx32L) vs settling for either 34W or 36W at the warehouse. The waist size was exact. I measured the waist by folding the waist in half and measuring with a tape measure. 17.5 inches exactly (17.5" X 2 = 35"). Didn't measure the length. Color seems to be a tad darker than the Antique Indigo pictured on the website. To me they seem to be in between the Antique Indigo and Antique Navy in color, but that is just my opinion. I guess it could be monitor differences. Doesn't matter to me. Not sure it matters to anyone (it doesn't to me) but I decided to weigh these and compare them to my very worn 34x32 warehouse jeans. These were exactly 30ounces. The warehouse jeans were 27 ounces. These are Made in Mexico of US materials as stated on the tag. These will be my new go to jeans, even at double my usual price, until ***tco goes back to the old Mexican manufacturer. Yes, this is my real opinion not influenced by free or reduced price product for providing a review. Update March 21, 2017: So, here it is a year later. How do they measure up now? I have changed my review from 5 to 3 stars for the following reasons: 1. Weak patch (1/2 star deduction) - The Wrangler "patch" on the back has either ripped or started "peeling" off on two of three pairs purchased. Not that big of a deal as I just remove it completely when it starts hanging. The patch is made of some leatherish paper is the way I would describe it. Doesn't really seem to be cloth and certainly isn't leather. Would be nice and longer lasting if it was real leather. 2. Manufacturing variation (1/2 star deduction) - One pair of the three is maybe one inch shorter than the others. The length of two pairs is the same and long enough to lay on my shoes with a bit to spare. The other pair just barely makes it to my shoes. Not a deal breaker but I am conscious of that pair being shorter when I wear them. 3. Short pocket flaps (1 star deduction) - Not sure how to describe this. The part of the denim that enters the pocket and to which the white pocket material is sewn to, doesn't go deep enough into the pocket. The result is that this part partially pulls out of the pocket (or almost so), making the white pocket material marginally visible. I am very frequently aware of my pocket whites being displayed to the world and am frequently tucking them or pushing them back in. This is the worst aspect of these jeans for me. This might just be an aspect of the way these jeans fit on my body shape. If this denim part that enters into the pocket were just 1/2" or 1" deeper into the pocket, this would not be a problem. So far the durability of the jeans is great, other than the Wrangler patch. They don't really have to survive much in my day-to-day use of them, as I work in an office setting and don't wear a belt with my jeans, but they seem to be a match for the warehouse jeans I used to purchase. Would I buy again? To be honest, I would probably try another brand or maybe another style within the Wrangler family and only come back to these if I could not find anything better based on price and performance. These are okay jeans and I will continue to wear them to the end of their life.
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Reviewed in the United States on March 11, 2016

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