Tungsten Disulfide (WS2)-Sputtering Target

(Tungsten Disulfide (WS2)-Sputtering Target)

CAS: 12138-09-9 Molecular Formula: WS2 Purity: 99.5%-99.99% Products Code: TR Specification Model: 4 inch dia x 0.25 inch th.etc EINECS No.: 235-243-3

Characteristic

Tungsten disulfide is an inorganic chemical compound composed of tungsten and sulfur with the chemical formula WS2. This compound is part of the group of materials called the transition metal dichalcogenides.

Chemical formula：WS2

Molar mass：247.98 g/mol

Appearance：blue-gray powder

Density：7.5 g/cm3, solid

Melting point：1,250 °C (2,280 °F; 1,520 K) decomposes

Solubility in water：slightly soluble

Band gap：~1.35 eV (optical, indirect, bulk)

                    ~2.05 eV (optical, direct, monolayer)

Magnetic susceptibility (χ)：+5850·10−6 cm3/mol

Crystal structure：Molybdenite

Application

WS2 is used, in conjunction with other materials, as catalyst for hydrotreating of crude oil.

Lamellar tungsten disulfide is used as a dry lubricant for fasteners, bearings, and molds under the brand name Dicronite.

(Tungsten Disulfide (WS2)-Sputtering Target)