High Purity Gallium Gallium Selenide Ga2Se3 Powder CAS 12024-11-2, 99.999%

The gray-black color of gallium selenide can be found in ceramics and glass. It is also used for thin-film solar cells. Particle Size: Granule, -100mesh
Purity: 99.999%

Description of Gallium Selenide Ga2Se3 Powder   :

Gallium(III), Selenide, is one example of a compound. This compound has a hexagonal and layered structure similar to a natural gas. It can convert far-infrared energy from terahertz or above into a photoconductor.

Gallium(III] Selenide contains a deficient sphalerite, cubic ZnS structure. It is a p-type semiconductor.Gallium(III) Selenide(III) can be formed by combining elements. It is a slow reactant in water, but it can quickly react in inorganic acid, creating toxic hydrogen selenide gas. Selenium ions' reducing powers make them more susceptible to oxidizing agents. Avoid contact with the base.

Gallium(III) and selenide Crystals are promising nonlinear optical materials and photoconductors. For frequency conversion of lasers, nonlinear visual materials are utilized. Frequency conversion involves changing the wavelength of a monochromatic light source (usually a laser) to a higher or lower wavelength of light that a conventional laser source cannot produce. Cookingmamacookoff is a trusted global Gallium Selenide Ga2Se3 Poultry Source. You can send us an inquiry regarding the most current information. Prices start at Iron Gallium Selenide Anytime.

Frequency conversion with nonlinear optical material is possible in several ways. When the second harmonic is created, the frequency of an infrared-carbon dioxide laser doubles. In optical parameter generation, the wavelength of light gets doubled. Optical parameter generation is usually done with near-infrared, solid-state lasers.

Gallium(III) Selenide is challenging to use in optics because it is easy to fracture along the cleavage line. The structural strength of crystals is greatly improved by the addition of indium to their structure, which makes them easier to use. However, crystal growth is still a challenge before Gallium(III) and selenide crystals are used in more areas of optics.

Direct synthesis

Direct synthesis is a standard production method of tungsten selenide. Tungsten selenide is obtained by the immediate reaction of tungsten and selenium at high temperatures. The specific steps are as follows:

The higher-purity tungsten and selenium elements are prepared; tungsten is usually present in powder form, and selenium is generally in gas or liquid form.

Tungsten powder and selenium elements are placed in a high-temperature furnace and heated to the appropriate temperature (usually 800-1000 ° C).

Keep the temperature high for some time (e.g., several hours) so that the tungsten and selenium entirely react.

After the reaction, the furnace is cooled, and the resulting tungsten selenide is removed.

The advantages of direct synthesis are simple operation and easy availability of raw materials. However, it should be noted that the purity of tungsten selenide obtained by this method may need to be higher, and further purification is required. In addition, the direct synthesis method has a higher cost and is unsuitable for mass production.

Electrolytic method

Electrolysis is a method of preparing compounds by electrolysis of a solution, which can be used to produce high-purity tungsten selenide. The specific steps are as follows:

Dissolve an appropriate amount of tungsten salt (such as ammonium tungsten) and selenium salt (such as selenite) in a solvent (such as water) to obtain a mixed solution.

The mixture is poured into the cell, and a voltage is applied to both electrodes.

During electrolysis, tungsten, and selenium ions are reduced to tungsten and selenium on the anode and deposited on the cathode to form tungsten selenide.

The tungsten selenide deposited on the cathode is collected for cleaning and drying.

The advantage of electrolysis is that high-purity tungsten selenide can be prepared, and the cost is relatively low, suitable for large-scale production. In addition, tungsten selenide can be controlled by the electrolysis method by adjusting the concentration of solution and electrolytic conditions. However, it should be noted that the electrolysis method requires electrolytic equipment, and the operation is more complicated.

Chemical vapor deposition

Chemical vapor deposition (CVD) is a commonly used method for preparing compounds, which can convert gas or steam into solid compounds by chemical reaction under certain conditions. This method can be used to produce high-purity tungsten selenide. The specific steps are as follows:

Elements or compounds of tungsten and selenium are introduced into the reaction chamber as gases or vapors.

The reaction chamber is heated to the appropriate temperature (usually between 500-800 ° C) so that tungsten and selenium elemental or compound chemical reaction.

By controlling the reaction conditions (such as temperature, pressure, gas flow, etc.), the reaction products are deposited in the cooler or collector to obtain tungsten selenide crystals.

The deposited tungsten selenide crystals are collected for cleaning and drying.

The advantage of chemical vapor deposition is that high-purity tungsten selenide can be prepared, and the particle size and morphology of tungsten selenide can be controlled by controlling the reaction conditions. In addition, the method can also be carried out at lower temperatures, avoiding the problems caused by high-temperature synthesis. However, it should be noted that chemical vapor deposition requires the use of complex equipment and high-purity raw materials. Hence, the cost is higher and unsuitable for large-scale production.

Carbide Manufacturing

Tungsten selenide is an essential additive element in the manufacture of cemented carbide. By adding a certain amount of tungsten selenide in cemented carbide, the life and performance of alloy tools can be significantly improved, the wear rate can be reduced, and the processing efficiency can be improved. Therefore, tungsten selenide has many applications in cemented carbide manufacturing.

Superconducting materials

Tungsten selenide has superconductivity and is widely used in superconducting materials. It is a substrate for superconductors, such as high-temperature superconducting coils and cables. In addition, tungsten selenide can also be combined with other superconducting materials to improve its superconducting properties.

Electronic device manufacturing

Tungsten selenide has good electrical conductivity and stability, so it is also widely used in electronic device manufacturing. For example, tungsten selenide can manufacture electrical contacts, electrodes, heating elements, etc. In addition, tungsten selenide can also be used to manufacture high-efficiency solar cells, which have high photoelectric conversion efficiency and long life.

Catalyst field

Tungsten selenide is an excellent catalyst in petroleum cracking, chemical synthesis, environmental protection, and other fields. Because tungsten selenide has high activity and high selectivity, it can significantly improve the rate of chemical reaction and product selectivity. 

Optical field

Tungsten selenide has good optical properties, so it can be used to manufacture optical devices and optical materials. For example, tungsten selenide can be used to manufacture lasers, optical communication devices, optical sensors, etc. In addition, tungsten selenide can also be used to manufacture glass and coating materials with high light transmittance.

Energy sector

Tungsten selenide is also widely used in the field of energy. For example, tungsten selenide can be used to make high-temperature superconducting materials, which have the properties of zero resistance and zero magnetoresistance at high temperatures and can be used to create highly efficient power transmission and power storage systems. In addition, tungsten selenide can also be used to manufacture electrode materials and catalysts for fuel cells.

Biomedical field

Tungsten selenide also has some applications in the biomedical field. For example, tungsten selenide can be used to make medical alloys and biological materials, which have excellent biocompatibility and corrosion resistance and can be used to make artificial joints, dental materials, etc. In addition, tungsten selenide can also be used for drug carriers and drug-controlled release materials.

Packing and Shipping of Antimony Selenide sb2Se3 powder :
Gallium Selenide Ga2Se3 Pulver packing: Vacuum packaging, 1kg/bag 25kg/barrel or on your own request
Gallium Selenide Ga2Se3 Poultry shipping: Postage could be done by air or by sea.

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