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Zinc sulfide The chemical formula is ZnS. It is a white or off-white powder. Zinc Sulfide turns darker when exposed to sunlight.

Zinc Sulfide Property:

Zinc Sulfide is stable when in dry air. When in humid air over a period of time or in air that contains moisture, the zinc sulfate slowly oxidizes. Zinc Sulfide is insoluble in water but soluble in dilute acid.
Zinc sulfide, or zinc sulfide, is usually obtained through the reaction of hydrogen sulfide with zinc salt solutions. When a small quantity of Cu,Mn,Ag is added to the ZnS crystals as an activater, they can emit different colours of fluorescence when illuminated. Zinc Sulfide has many uses, including as an analytical reagent for paints, opaque and white glass, rubber filling, plastic and to make phosphor.

Zinc Sulfide Application:

The zinc sulfide compound semiconductor nanomaterials are gaining attention for their excellent physical properties such as high refractive index and high light transmissance in visible light. Its potential can be applied to optics.

Zinc Sulfide exhibits excellent electroluminescence and fluorescence effects. Nano-zinc has a unique effect. It has excellent properties in the areas of magnetism, electricity, optics, mechanicals, and catalysis. It is for this reason that research into nano-zincsulfide was a success. In 1994, Bhargava published a report stating that surface passivation nano-ZnS : Mn phosphor has exhibited an external quantum efficiencies of up to 18% when heated at high temperatures, as well as a fluorescence life of 5 orders of size reduced. ZnS has a much improved performance that opens up new applications for it.

Zinc sulfide may be used for making white pigments and glasses, luminous dust, rubber, paint, plastic, etc.

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