Gallium Oxide

Gallium Oxide powder is an odorless white crystalline powdery substance with the chemical formula Ga₂O₃, has a variety of crystal structures, a melting point of about 1900 ℃, insoluble in water, and has a wide range of applications in semiconductors, optics, catalysis, biomedicine and other fields.
Properties

Chemical formula: Ga2O3

Melting point: about 1900℃

Solubility: insoluble in water, slightly soluble in hot acid or alkali solution, soluble in alkali metal hydroxide and dilute inorganic acid.

Chemical Properties: As an inorganic compound with the chemical formula Ga₂O₃, it is chemically stable, but it can react with some substances, for example, it can react with fluorine gas to produce GaF₃, and it can be dissolved in dilute nitric acid, dilute hydrochloric acid and dilute sulfuric acid, etc. It is a broad bandwidth compound, which is soluble in water, slightly soluble in hot acid or alkali solution, and easily soluble in alkali metal hydroxide and dilute inorganic acid.

Semiconductor properties: It is a wide-band semiconductor material with a bandwidth of about 4.5-5.3 eV, which makes it potentially valuable in the field of high-power, high-frequency electronic devices.

Gallium oxide powder has a wide range of applications in semiconductors, optics, catalysis, biomedicine, gas sensors and other fields. For example, it can be used to make high-power electronic devices, ultraviolet detectors, photocatalysts, drug carriers, gas sensors and so on.

Applications

Semiconductor field:

Manufacture of electronic devices: can be used to make high-power, high-frequency electronic devices, such as field effect transistors (FETs), Schottky diodes and so on. These devices have important applications in power electronics, electric vehicles, 5G communications, etc. Gallium oxide powder can help create electronic devices that can withstand high voltages and currents, while having low on-resistance and high switching speed.

Insulating layer of semiconductor materials: used as an insulating layer in some semiconductor structures, it plays the role of isolation and protection to ensure the normal operation and stable performance of semiconductor devices.

Optical field:

UV detectors: gallium oxide can be used to manufacture UV detectors due to its good absorption and response properties to UV light. Such detectors play an important role in fire early warning, environmental monitoring, UV radiation detection, etc. They can quickly and accurately detect UV signals.

Optical coatings: Materials that can be used as optical coatings for the preparation of anti-reflective coatings, transmission-enhancing coatings, and so on. For example, coating gallium oxide on the surface of solar cells can reduce the reflection of light and improve the photoelectric conversion efficiency of solar cells; coating gallium oxide on the surface of optical lenses can increase the transmittance of the lens and improve the imaging quality.

Light-emitting materials: In some special light-emitting devices, such as phosphor, phosphor, etc., gallium oxide powder can be used as the substrate or dopant of light-emitting materials. By adjusting the crystal structure and doping concentration of gallium oxide, different colors of luminescence can be achieved, such as blue, green, yellow and so on.

Catalytic field:

Chemical catalysis: with certain catalytic activity, it can be used as catalyst or carrier of catalyst to catalyze various chemical reactions, such as oxidation reaction, hydrogenation reaction, dehydrogenation reaction and so on. For example, it can be used to catalyze the oxidation of olefin, dehydrogenation of alcohol and other reactions in petrochemical and fine chemical industries to improve the efficiency and selectivity of the reaction.

Photocatalysis: In the field of photocatalysis, light energy can be used to stimulate the generation of electron-cavity pairs, thus catalyzing various redox reactions. For example, in the fields of sewage treatment and air purification, gallium oxide powder photocatalysts can be used to degrade organic pollutants and remove harmful gases, etc., which are green, environmentally friendly and highly efficient.

Biomedical field:

Drug carrier: with good biocompatibility and degradability, it can be used as a drug carrier for loading and delivering drugs. This kind of drug carrier can improve the stability and bioavailability of drugs, while reducing the side effects of drugs and realizing precise treatment.

Bio-imaging: By surface modification of gallium oxide powder, it can be made to have the function of fluorescence or magnetic resonance imaging (MRI) contrast agent, which can be used for cellular imaging, tissue imaging, etc., and provide important information for the diagnosis and treatment of diseases.

Gas sensor field: sensitive to some gases, they can be used to make gas sensors for detecting the concentration and composition of various gases. For example, in the field of environmental monitoring, industrial production, smart home, etc., gallium oxide gas sensors can be used to detect oxygen, carbon dioxide, methane, formaldehyde and other gases, which are characterized by high sensitivity, fast response speed and good stability.