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What property does zinc sulfide have?
This inorganic compound has a chemical composition of ZnS. It appears as a powder that is white, off-white or yellow. Zinc Sulfide is stable when in dry air. When in humid air over a period of time or with moisture, it gradually oxidizes to zinc sulfate. It is insoluble when mixed with water and soluble when mixed with dilute inorganic acids.
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 crystal ZnS as an activater, it will emit different colors after illumination.
What are the applications of zinc sulfide?
The zinc sulfide compound semiconductors are important because they have outstanding physical characteristics, including a large band gap, high refraction index, and high transmittance of visible light. They also offer great potential for optics, electronic, and optoelectronic applications.
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 (optics), mechanics, and catalysis. It is for this reason that research into nano-zinc-sulfide caused a lot of controversy. In 1994 Bhargava reported on the surface passivation properties of nano ZnS:Mn-phosphor, which not only had an external quantum efficiencies of up to 18% at high temperatures but also a fluorescence life of five orders of magnitude shorter. The performance of ZnS has improved dramatically, opening up new possibilities for its use in materials.
Zinc Sulfide: Used as an analytical reagent for paint, paint manufacturing, white and opaque glasses, filling of rubber and plastic, and to prepare phosphor.
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