Germanium Selenium Tellurium – Chalcogenide-Glass

Germanium Selenium Tellurium powder is a kind of inorganic compound powder composed of germanium, selenium and tellurium elements with high purity, fine particle size and special physicochemical properties, which can be applied in many fields such as electronics, optics and energy.

Characteristic

Appearance: usually gray or black powder.

Density: The density of germanium is about 5.35g/ml, the density of tellurium is about 6.24g/cm³, the density of selenium is about 4.81g/cm³, Germanium Selenium Tellurium powder as a composite material, the density of its composition due to the proportion of different and different.

Melting point: The melting point of germanium is about 937.4°C, the melting point of tellurium is about 450°C, the melting point of selenium is about 221°C. The melting point of Germanium Selenium Tellurium powder as a composite material varies within a certain range depending on the proportion of the components.

Stability: good chemical stability, but can also react with other substances under certain conditions, for example, at high temperatures, strong acids, strong bases and other conditions, they can form compounds with some metals, showing unique physicochemical properties.

Oxidizing and reducing properties: selenium and tellurium have certain oxidizing and reducing properties, showing different chemical valence changes in different redox reactions, which can be used to prepare various functional materials.

Refractive index: with high refractive index, it can be used to prepare optical films, lenses, prisms and other optical components, which can realize efficient transmission, refraction, focusing and detection of light .

Absorption Spectrum: They have a wide range of absorption spectrum in the infrared band, which makes them have important applications in infrared detection, optical communication and other fields.

Electrical properties: By adjusting the ratio of germanium, selenium and tellurium, the electrical properties of the material can be adjusted, such as electrical conductivity, resistivity, etc., so as to meet the needs of different electronic devices, which can be used in the manufacture of semiconductor devices, integrated circuits, photodetectors, transistors and so on.

Applications

Electronic and semiconductor field:Germanium Selenium Tellurium is an important raw material for manufacturing semiconductor devices, integrated circuits and so on. They can adjust the electrical properties of semiconductors through doping, alloying, etc. to improve the performance and stability of devices, such as for the manufacture of photodetectors, transistors, etc..

Optical field: with excellent optical properties, they can be used to prepare optical films, lenses, prisms and other optical components. Germanium Selenium Tellurium high refractive index and broad spectral absorption characteristics make it important in the field of optical communications, laser technology, infrared detection, etc., can realize the efficient transmission, refraction, focusing and detection of light.

Energy field: Germanium Selenium Tellurium also has application potential in solar cells, thermoelectric conversion and other energy fields. For example, in CdTe thin film solar cells, tellurium is one of the key constituent elements, and the compound formed with cadmium has good photoelectric conversion performance, which can convert solar energy into electricity, and has the advantages of low cost, high efficiency and good stability.

Chemical industry:Germanium Selenium Tellurium can be used as catalysts and additives in the process of chemical production, which can improve the rate and selectivity of chemical reaction, and improve the performance and quality of products.