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Zinc sulfide and its application

2018-11-07
Zinc sulfide is white to gray or light yellow powder. Its color will be darken if expose to light. It is stable in dry air and gradually oxidizes to zinc sulfate when it is exposed to humid air or contains moisture.
 
The research on zinc sulfide fluorescent materials has been more than 130 years since the discovery of the French chemist Sidot in 1868. The research on zinc sulfide materials has always been paid attention  from 1920s to 1940s.
 
As an important two, six compound semiconductor, zinc sulfide nanomaterials have attracted great attention not only because of its excellent physical properties, such as wide band gap, high refractive index, high transmittance in the visible range, and Its enormous potential applies to optical, electronic and optoelectronic devices. Zinc sulfide has excellent fluorescence and electroluminescence functions. Nano-zinc sulfide has a unique photoelectric effect and exhibits many excellent properties in the fields of electricity, magnetism, optics, mechanics and catalysis. Therefore, research on nano-zinc sulfide has caused more attention by more and more people, especially in 1994, Bhargava reported that surface passivated nano-ZnS:Mn phosphors not only have an external quantum efficiency of up to 18% at high temperatures, but their fluorescence lifetime is shortened by five orders of magnitude, and luminescence The performance has changed a lot, and the application of ZnS in materials has opened up a new way. It can be used to make white pigments and glass, luminescent powder, rubber, plastic, luminescent paint etc.