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zinc sulfide uses include phosphorescent materials, infrared optical materials, and as a flame retardant. ZnS is commonly used as a white pigment in paints and plastics, but it can also be combined with other substances to form a variety of flame-retardant grades.
Phosphorescent properties of zinc sulfide: spectroscopic investigation
Zinc sulfide (ZnS) exhibits strong phosphorescence, especially when activated by silver or manganese. This is a characteristic that makes it an ideal material for use in many electronic and decorative applications, from cathode ray tubes through X-ray screens to glow-in-the-dark products.
In addition to phosphorescent qualities, ZnS is also highly transparent and can be used as an infrared optical window. This is due to its high absorption coefficient, which enables it to transmit light at a wavelength of just over 12 micrometers.
It can also be used to form semiconductor quantum dots with cores made from cadmium selenide (CdSe). The phosphorescent properties of ZnS are useful in the design of hyperbolic metaterials, which exploit the refractive electromagnetic waves and their indefinite dispersion when refracting them from a point source.
Surface stoichiometry and sorption of zinc sulfide in acidic pH: gran plots
Spectra of zinc sulfide solutions at different pH levels reveal that the surface proton binding site increases with increasing solid concentration, as predicted by Ve of the acid-base titration. Moreover, the higher the solid concentration of zinc sulfide, the more the corresponding suspension’s pH buffer capacity.