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Tungsten Disulfide (WS2) Pristine Flakes

Tungsten Disulfide (WS2) Pristine Flakes

Product Details:

  • Grade research grade
  • Product Type Metal Products
  • Shape Powder
  • Size 50-150 nm
  • Weight 0.10 Pound (lb)
17500.00 - 18000.00 INR/Millimeter

Tungsten Disulfide (WS2) Pristine Flakes Price And Quantity

  • 100 Milliliter
  • 150.00 - 300.00 INR/Millimeter
  • 17500.00 - 18000.00 INR/Millimeter

Tungsten Disulfide (WS2) Pristine Flakes Product Specifications

  • 50-150 nm
  • Metal Products
  • Powder
  • 0.10 Pound (lb)
  • research grade

Tungsten Disulfide (WS2) Pristine Flakes Trade Information

  • Paypal
  • 10 Milliliter Per Day
  • 20 Days
  • cartons & wooden packing
  • All India

Product Description

Tungsten Disulfide (WS2) Pristine Flakes in Solution 100 ml


Tungsten Disulfide (WS2) Pristine Flakes in Solution, 100 ML

WS2 Pristine Flakes are nanoscale crystals dispersed in ethanol/water solution. If separated from solution, nano-WS2 forms bright-green crystals, that look different from silver-grey crystals of bulk WS2.

This solution can be easily deposited onto a substrate or surface of your choice to form a thin film coating.

SEM image of thin-film WS2 after the solution was used to coat SiO2

SEM Thin Film

                    UV-Visible Absorption Spectrum


Bulk WS2 forms dark gray hexagonal crystals with a layered structure. They are not chemically active and can only be dissolved by a mixture of nitric and hydrofluoric acids. Each W(IV) center of WS2 is occupying a trigonal prismatic coordination sphere, which is bound to six sulfide ligands. The sulfur centre is connected to three tungsten centres, which are pyramidal. The trigonal prisms are layered, sandwiching tungsten atoms between layers of sulfur atoms.

Depiction of WS2 Crystal Structure

WS2 Structure

WS2 in its monolayer form has recently been under particular recognition for its intriguing electrical and optical properties. Bulk WS2is generally an n-type semiconductor with an indirect bandgap (-1.4 eV). On the other hand, monolayer WS2 has a direct bandgap of -1.9 eV, and can be useful in low-power switching devices.

WS2 Raman Spectrum

Raman Data

Preparation Method: Solution-Based Exfoliation


  • Transistors
  • Flexible Displays
  • Optics
  • WS2 Research
  • Inks
  • Thin Semiconducting Films



Key Features

  • Lateral Size: 50-150 nm
  • Thickness: 1-4 monolayers
  • Purity in dry phase: >99%
  • Solution Concentration: 26 mg/L
  • Solution is stable under ambient conditions
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