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is an inorganic compound with a chemical formula of ZnS. Its appearance is white to off-white or light yellow powder. Zinc sulfide becomes darker when it is exposed to light.
The Property of Zinc Sulfide:
Zinc sulfide is stable in dry air, and when left in humid air for a long time or contains moisture, it will gradually oxidize to zinc sulfate. Zinc sulfide is soluble in dilute inorganic acid, soluble in alkali, but insoluble in water, zinc sulfide powder is irritating.
Zinc sulfide is generally obtained by the action of hydrogen sulfide and zinc salt solution. If a small amount of Cu, Mn, Ag is added as an activator in the crystalline ZnS, it can emit different colors of fluorescence after being illuminated. Zinc sulfide is used as analytical reagent, paint, paint making, white and opaque glass, filling rubber, plastic, and for preparing phosphor.
The Application of Zinc Sulfide:
As an important two and six compound semiconductors, zinc sulfide nanomaterials have attracted great attention, not only because of its excellent physical properties, such as wide band gap, high refractive index, and high light transmittance in the visible light range, but also Its huge potential is applied to optics, electronics and optoelectronic devices.
Zinc sulfide has excellent fluorescence effect and electroluminescence function. Nano-zinc sulfide has a unique photoelectric effect. It has many excellent properties in the fields of electricity, magnetism, optics, mechanics and catalysis. Therefore, the research of nano-zinc sulfide has caused In 1994, Bhargava reported that the surface passivation of nano-ZnS:Mn phosphor not only has an external quantum efficiency of up to 18% at high temperature, but also has a fluorescence lifetime shortened by 5 orders of magnitude, and it also emits light. The performance has been greatly changed, which opens up a new way for the application of ZnS in materials.
Zinc sulfide can be used to make white pigments and glass, luminous powder, rubber, plastic, luminous paint, etc.
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