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Its chemical formula is ZnS. Its molecular weight, 134.72. It is created by interacting through ionic interactions with zinc ions, (Zn2+), and sulfur ions, (S2-). The sulfur ions form a regular tetrahedron in which the zinc ion sits in the center. The sulfur ion occupies the center of the tetrahedron. This structure can also be described as a face centered cubic crystal system where zinc and sulfur are located in the vertex of the lattice and at the center of the face.
Zinc Sulfide (also known as Zinc Sulfide) is an insoluble, white solid. It is not soluble in water. However, it is soluble with bases and acids. Zinc sulfide's density is 3,98 grams per cubic centimeter, with a melting and boiling temperature optimum of 1650 degrees C. The light transmission is between 200 and 400nm. Zinc sulfide has relatively stable properties, but under certain circumstances it can react. Zinc sulfide is oxidized, for instance, when it comes into contact with an oxidizing substance. In an environment that is alkaline, zinc sulfide will react with hydroxide molecules to produce zinc hydroxide.
Application of Zinc Sulfide
Zinc sulfide, also known as zinc sulfur, is an important compound. The unique crystal structure and chemical and physical characteristics of zinc sulfide have made it a widely used compound in many fields. We will discuss the various applications of zinc sulfide.
1. Manufacturers of phosphor
Zinc Sulfide has many uses, including in the production of fluorescent screens. Zinc sulfide, used in the manufacture of fluorescent screens, can be made into phosphors, which can then emit light to display an image when they are excited by external lights. In the manufacture of fluorescent lamps, zinc-sulfide also makes phosphors which emit visible light upon being excited by ultraviolet radiation.
2. Manufacturing of photoelectric conversion materials
Zinc Sulfide, a material used for photoelectric conversion, can also be used in the manufacture of solar cells. In solar cells zinc sulfide converts light energy into electrical power. The photoelectric efficiency of zinc sulfide, combined with its low cost, makes it a material that has wide applications.
3. Drug Manufacturing
Zinc Sulfide, because of its biological activity, has many applications in pharmaceutical production. For instance, zinc is used in the manufacture of anti-malarials, like zincsulfate or zinc acetate. The zinc sulfide used can be used for the production of preservatives, fungicides as well as other products.
Zinc sulfide can act as a catalyst for the creation of other compounds like zinc acetate or acetone. Zinc sulfur is a highly active and selective catalyst in manufacturing.
5. Optical device manufacturing
Due to its high transparency, zinc sulfur is used widely in optical devices. Zinc sulfide is used, for instance, in optical fiber communication to produce optical fiber preforms. Additionally, zinc sulfide may be used to make optical devices like optical Windows and lenses.
Method of Production of Zinc Sulfide
1. Method of chemical precipitation
The chemical precipitation method is the most common way to prepare zinc sulfide. The zinc salt and the sulfur salt were combined in a liquid solution to precipitate, filter, and dry zinc sulfide.
Preparation Solution: Dissolve a suitable amount of zinc salt and sulfur salt into water to create a solution.
Precipitation reaction : the above solution is heated in stirring conditions and a precipitating agent of appropriate amount is added to precipitate sulfur ions as well as zinc ions. This results in zinc sulfide.
Filtration : The reaction is filtered in order to obtain a filtrate that contains zinc-sulfide precipitation.
Cleaning: The filtered precipitate of zinc sulfide is cleaned with alcohol in order to remove impurities.
After washing the zinc sulfide it is dried and precipitated to get zinc sulfide.
Chemical precipitation is easy to do, inexpensive, and produces a product of high purity. The disadvantages of this method are that it requires many detergents and precipitating agents. Also, the waste liquid generated must be treated and disposed before being discharged, resulting in some environmental pollution.
2. Synthesis of solid phases at high temperatures
Traditional methods for the preparation of zinc sulfide include high-temperature solid-phase synthesis. A solid reaction between zinc oxides and sulfur-containing elements was used to produce zinc sulfide.
Ingredients: To make raw materials, the appropriate amount of carbon powder, zinc oxide powder, and sulfur dioxide powder is mixed.
Pretreatment: The raw material is pretreated at high temperature to ensure that all components react and generate zinc and sulfur vapour.
Synthesis: Zinc and sulfur are combined at high temperature to form zinc sulfide.
The zinc sulfide synthetic powder is collected.
The high-temperature, solid-phase synthesis is characterized by high purity, excellent crystallinity, as well as a relatively straightforward process. The method does require high temperatures, and it uses a lot of carbon and sulfur powders, which can be harmful to the environment.
3. Solventothermal Method
The solvothermal process is a method that has been developed to prepare zinc sulfide. The method is to dissolve zinc salts and sulfur salts in organic solvents under high temperature and pressure, and then generate zinc sulfide by hydrothermal reactions.
Preparation Solution: Dissolve an appropriate amount of zinc salt and sulfur in organic solvent.
High-temperature reaction under high-pressure: The above solution will be placed in a high temperature and pressure reactor. Under these conditions, the hydrothermal reactions will produce zinc sulfide.
Collection: The generated powder of zinc sulfide will be collected and treated as required.
The solvothermal technique has several advantages. It is simple, produces a high-purity product, and it's a good crystallinity. It is also possible to use different organic solvants and reaction conditions in order to regulate product properties. The method is not without its limitations. It requires high-temperature, pressure equipment. And the recovery and disposal process of organic solvents are expensive and require certain technology.
It is important to consider the advantages and limitations of different methods of production of zinc sulfide, and to select the appropriate methods according to actual conditions and needs. During the production, it is important to take into account environmental protection and safety. Adopting appropriate environmental protection technologies and measures will help reduce the harm caused to the environment and humans.
Prospect Markets of Zinc Sulfide ()
1. phosphor market prospects
Zinc sulfur is used extensively in phosphor production. Phosphor can absorb light while emitting different colors. It is used widely in the display, lighting, photovoltaic, and other fields. The use of phosphors is expanding as science and technology continue to develop. This includes solar cells, optical storage, and biomedicine. Zinc sulfide has become an important material for phosphors, and the market is growing.
2. Photoelectric conversion materials: market outlook
Zinc sulfur is also widely used for the production of photoelectric materials. Photoelectric materials convert light energy to electricity. Solar cells is the most common use. The demand for solar panels is increasing as renewable energy becomes more important. The cost of photoelectric converter materials has also been steadily decreasing, as technology continues to improve.
3. Market prospects for drug manufacturing
Zinc Sulfide has also been used in pharmaceutical production. The pharmaceutical industry is a massive market. As people become more health-conscious, the demand for drugs increases. Zinc Sulfide can be used for antimalarial drug production and has a biological activity.
4. Prospects for the manufacturing of catalysts
Zinc sulfur is used for some catalyst production. Catalysts are substances that accelerate chemical reaction and have a variety of applications, including in the fields of environmental protection, pharmaceutics, and chemical. As technology continues to develop, so do the demands for catalytic performance and selectivity. This provides more opportunities for using zinc sulfide as a catalyst.
5. The optical device market is expected to grow at a rapid rate.
Zinc sulfur is also widely employed in the manufacture of optical devices. The optical device has multiple applications, including communication, imaging and optical storage. It can modulate and transmit the light. As technology continues to develop, performance requirements for optical products are increasing. This provides more opportunities to apply zinc sulfide when manufacturing optical devices.
Price of Zinc Sulfide Poudre :
Many factors influence the price of a product, such as the economic activity in the industry, the demand and supply on the market.
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Zinc Sulfide Powder Supplier :
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