Tungsten disulfide solid lubricant coating is a lubricating coating prepared using tungsten disulfide nano powder (WS2 nano powder) as a lubricating additive. Such a lubricant coating has a wide application as it has functions of lubrication, wear resistance, temperature resistance, weather resistance, corrosion resistance, and extreme pressure resistance. And a dense film can be formed on the surface of the workpiece by spraying, roller coating, dip coating, brush coating, blade coating, etc.

Tungsten disulfide nanosheet applied for perovskite solar cell is a new type of inorganic hole transport layer material. WS2 nanomaterial is a nanostructured material with unique optical, electrical and mechanical properties. It has the advantages of small density and large specific surface area, and has potential application prospects in the fields of catalysis and energy storage.

Hydrogenation catalytic property of tungsten disulfide nanosheet is good. It is reported that tungsten disulfide nanosheets have better hydrogenation catalytic property than those of molybdenum disulfide powders. Therefore, WS2 nanosheets are often used as an electrochemical catalyst for hydrogen production.

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