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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Big D
West Palm Beach, US
★★★★★ 5
Best Printer I’ve Ever Owned — Fast, Economical, and High Quality
I can confidently say this is the best printer I’ve ever owned. The print quality is excellent—very close to a laser printer, easily about 90% as sharp in my experience. What really sets this printer apart, though, is the cost of ownership. The ink refills are surprisingly inexpensive, especially when compared to the high cost of toner cartridges. That alone makes a huge difference for me. Performance has also been impressive. It’s just as fast, if not faster, than the laser HP printers I’ve used in the past, and it handles jobs smoothly. One feature I didn’t expect to appreciate as much as I do is the automatic print tray. It opens and closes on its own, which keeps the printer looking clean and eliminates the need to manually manage trays. Overall, this printer combines strong print quality, speed, and very low operating costs. If you print regularly, it’s an easy recommendation.
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Reviewed in the United States on March 20, 2026
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Walter D. Fisher, Jr.
Fort Morgan, US
★★★★★ 1
Stay Away from this Printer!
I almost never leave negative product reviews, but this one requires the effort to warn others. I would give this item zero stars if that were an option. I have dealt with Epson technical service personnel repeatedly since I originally received this defective printer on February 17 of this year. As a result of those discussions, I received my SECOND replacement printer yesterday. Like the first two printers, this one also does not perform properly. It jams every single time the document feeder is used for scanning. The first page jams every time. None of the online recommended fixes resolves the issue. The first replacement printer could not be connected to my wireless network, so I never even got it set up to test it. The Epson technical service personnel concluded it had a defective network card. The original printer could be set up; but after every print job it completed, it locked up and displayed error code 302626, which I was told by the service personnel indicated a hardware issue of some sort. To say this has been a disappointing experience would be an understatement. I intend never to purchase another Epson product. Epson insisted my only remedy was to continue to receive replacement printers, all of which were refurbished machines. I devoted a total of more than 8 hours to this terrible product. The bright spot in this sorry is that because of my long and strong patronage of Amazon, I was able to receive a refund from and return the machine to Amazon. I will now try an HP model, which hopefully will be a much better experience.
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Reviewed in the United States on March 28, 2026
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Pughimag
Bozeman, US
★★★★★ 4
Write down the serial number of the printer (On the underside of the printer).
This product was packed very, very well. I usually take pictures with my iPhone so that I know how to put products back together if I need to send them back but I was impressed with the way this printer was protected, really thoroughly! Step through the instructions very carefully. I wouldn't say that is the easiest setup but at least the instructions cover everything you need to know. Some of the features that are very useful - the size (fits on my small file cabinet with room to spare), has ethernet AND wireless and the printed pages tray pops out of the printer automatically when printing starts. Interesting observations - When loading the ink, do NOT pay attention to the logo onto top of the ink tank cover. It shows the inks from left to right - red, yellow, blue but it's actually (Black) blue, red yellow and there is label on the inside showing the correct sequence and the ink bottles will not fit if you try to put them in the wrong tank. It does save some degree of frustration if you don’t get misled by the logo. Some bright spark left out an important instruction in the user guide that you will run into when you are installing software. Bear in mind that you have carried the printer to its final location, hooked it up to power and connected cables and installed the ink and waited 11 minutes for the ink to finally finish its whirring and buzzing. You are installing software (maybe the Epson smart panel) and you are told to enter the serial number of the printer as the password. It then informs you that the serial number is on the bottom of the printer or underneath the side panel or on the back panel. I could not find the serial number in either the side or the back. As far as I could tell, the serial number is only on the underside of the printer so get ready to unplug your cables and don’t tip the printer now that you have loaded the ink! I lifted the printer up (not light) so that I could see the serial number and have my wife write it down. Why there was no instruction to write down the serial number after removing the printer from the box for whichever step it's needed BEFORE going through the entire setup and loaded up with ink seems ridiculous to me. It's certainly pretty annoying to find out you need the serial number from the underside of the printer after completing all the physical installation steps. The various panels are made of thin plastic and seem flimsy but I do like the way they fit together. When you run a test print you will be told to place the test print in the scanner so that it can be verified and you might get some errors if you don't place it exactly where it's supposed to be. I am used to positioning the paper with the small edge on the glass right where the lid is raised and the long edge against the edge of the glass near the front. That will get you an error message. There is an arrow (hard to spot) in the corner to tell you where it needs to be exactly, near the hinge of the cover. The instructions will have you go off in another direction if you don't realize that the problem is how you positioned the original on the glass. On the positive side, the printer worked right away using the ethernet connection to one of the switches in my home network. I have this printer installed on top of my small filing cabinet in the closet which is next to my desk. I had already installed an AC socket inside the closet for the printer so there was no extra work required. The Ethernet cable fits under the closet doors when they are closed. I moved the old Epson WorkForce 645 printer upstairs where I have three more Macs. These days it only works well for black ink only which cuts down on cartridge costs. That printer has been a workhorse for sure. It's a 3-in-one also. I expect it will keep on ticking for a while yet which is why I bought a new Epson. This printer has taken the longest to install of any of my previous printers but I have a photo journal to complete so I wanted to get a decent color printer. Lastly, I recommend that you buy good quality paper to get the best results (I ordered Epson Premium Presentation Paper MATTE (8.5x11inches, Double-Sided, 50 sheets - S041568), Bright White because of my use case).
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Reviewed in the United States on November 2, 2025
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Vincent K Hudkins
San Leandro, US
★★★★★ 5
Easy to install and works great!
Very happy with this printer. The wireless connectivity works great, the installation app was easy to use, the sprint speed is fine for home use like I do, and it seems to use ink a lot more economically than my old HP Envy. I have just been doing B&W printing, so I can't really comment on the color printing yet. Overall, this has been well worth the price so far.
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Reviewed in the United States on May 10, 2026
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Shanakay Smith
Los Angeles, US
★★★★★ 5
Epson ET-3950
I did my research and this is the printer that does everything I need i highly recommend it came well packaged the print quality is great when you have the right settings with the correct paper to print on easy to use and set up. It's worth it .
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Reviewed in the United States on May 12, 2026

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