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报价9span>面议
品牌9/td> 先丰纳米
产地9/td> 江苏
关注度: 1434
型号9/td> 100183
核心参数

纯度9span>99%

目数9span>50-150 nm

品级9span>一?/span>

产品介绍
货号 CAS叶/td> 编号 包装 参数
100183 12138-09-9 XF044 100 ml 26mg/L 1-4屁/td>

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

WS2Pristine Flakes are nanoscale crystals dispersed in ethanol solution. If separated from solution, nano-WS2forms bright-green crystals, that look different from silver-grey crystals of bulk WS2.

Properties:

  • 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

    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 WS2after the solution was used to coat SiO2

    UV-Visible Absorption Spectrum

    Bulk WS2forms 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 WS2is 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.1

    Depiction of WS2Crystal Structure1

    WS2in 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 WS2has a direct bandgap of ~1.9 eV, and can be useful in low-power switching devices.

    WS2Raman Spectrum

    Preparation Method: Solution-Based Exfoliation

    Applications:

  • Transistors

  • Flexible Displays

  • Optics

  • WS2Research

  • Inks

  • Thin Semiconducting Films


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