Zinc sulfide
It is an organic compound with the chemical formula ZnS. The powder’s color ranges from light yellow to white. Zinc sulfuride turns darker when exposed light is applied.
The Property of Zinc Sulfide –
Zinc sulfuride is stable when dry. If it’s left in humid conditions for long periods of time, or is moist, it can slowly oxidize and become zinc sulfate. Zinc sulfuride dissolves in dilute inorganic acids, is easily soluble by alkali and is irritating in zinc sulfide.
Zinc sulfuride can generally be made by reacting hydrogen sulfide with zinc salt solutions. A small amount of Cu Mn, Ag can be added to the ZnS to activate it. It will then emit different colors when illuminated. Zinc sulfuride is useful for paint preparation, analysis, painting, opaque and white glass filling, rubber, plastic and as an analytical reagent.
Zinc Sulfide Application:
Two and six important compound semiconductors zinc sulfide have been attracting a great deal of attention. Not only are they great physical properties like wide band gap and high refractive indice, as well as high light transmittance within the visible spectrum, but it is also able to be used in optics, electronics, and optoelectronics.
Zinc sulfuride is a good choice for electroluminescence as well as fluorescence. A unique photoelectric effect is possible with nano-zinc. This sulfide has outstanding properties in electricity, magnetism optics mechanics, catalysis, and mechanics. Bhargava’s 1994 report on the nano-zinc-sulfide surface passivation showed that it not only had an external quantum efficacy of 18% at high temperatures, but also had a fluorescence lifespan of five orders of magnitude shorter and also emits light. It has a dramatically improved performance, opening up new avenues for ZnS application in materials.
Zinc sulfuride can also be used for making white pigments such as glass and rubber. It is also useful in creating luminous paints, rubbers, plastics and rubbers.
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