中文名称: Graphene Supermarket二硫化钨分散液
英文名称: Tungsten Disulfide Dispersion货 号: ML1168CAS号:12138-09-9包 装: 100mL参 数: 26mg/L 1-4层保质期: 6月常温干燥避光Tungsten Disulfide (WS2) Pristine Flakes in Solution, 100 MLWS2 Pristine Flakes are nanoscale crystals dispersed in ethanol solution. If separated from solution, nano-WS2 forms bright-green crystals, that look different from silver-grey crystals of bulk WS2.Properties:Lateral Size: 50-150 nmThickness: 1-4 monolayersPurity in dry phase: >99%Solution Concentration: 26 mg/LSolution is stable under ambient conditionsThis 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 SiO2UV-Visible Absorption SpectrumBulk 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.1Depiction of WS2 Crystal Structure1WS2 in its monolayer form has recently been under particular recognition for its intriguing electrical and optical properties. Bulk WS2 is 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 SpectrumPreparation Method: Solution-Based ExfoliationApplications:TransistorsFlexible DisplaysOpticsWS2 ResearchInksThin Semiconducting Films
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