Tin Telluride

Tin Telluride powder is a grey, sodium chloride-type structure of tin and tellurium with some covalent bonding composition of IV – VI narrow bandgap semiconductor compounds, commonly used in infrared detectors, thermoelectric materials, solar cells, topological quantum computation, optoelectronic devices and other fields.

Properties

Composition and chemical formula: the chemical formula is SnTe, composed of two elements, tin (Sn) and tellurium (Te), is a compound semiconductor material.

Stability: Relatively stable at room temperature and pressure, but avoid light, open flame, high temperature and other conditions to prevent changes. It can react chemically with some substances under certain conditions, but its chemical properties are relatively less active.

Appearance: usually presents grey crystalline powder.

Density: Density is 6.48 g/cm³.

Melting point: high melting point, about 780℃-790℃.

Crystal structure: With sodium chloride type structure, it is ionic crystal, but there is some covalent bonding component.

Solubility: insoluble in water.

Conductivity: with semiconductor nature, its conductivity can be adjusted by doping and so on.

Optical properties: has certain applications in the field of photoelectricity, has certain properties of absorption, reflection and refraction of light, etc. The specific optical parameters will be different according to the particle size of the powder, purity and other factors.

Applications

Thermoelectric material field:
Tin telluride has good thermoelectric properties, which can realise the mutual conversion between thermal energy and electric energy. It can be used in thermoelectric power generation and refrigeration technology in some special environments or in fields that require high thermoelectric conversion efficiency, such as aerospace and military. It has application potential in temperature difference power generation, which can convert waste heat into electricity and improve the utilisation rate of energy.

Solar cell field:
Due to its unique photovoltaic properties, tin telluride powder has a promising application in solar cells. The application of tin telluride powder in solar cells can improve the photoelectric conversion efficiency, and at the same time have the advantage of reducing manufacturing costs. It can effectively absorb sunlight and convert it into electricity, and the stability of the material is good, so that the solar cell can maintain a stable energy conversion capacity in different environmental conditions.

Infrared detector field:
Lead-tin-tellurium solid solutions formed with lead can be used to make infrared detector materials. The material has a good response to infrared radiation and is able to convert infrared signals into electrical signals, thus enabling the detection of infrared targets.

topological quantum computing field:
As a special semiconductor material, tin telluride has potential applications in topological quantum computing. Its special electronic structure and physical properties provide a new research direction and material basis for topological quantum computing.

Optoelectronic device field:
It can be used to prepare photodetectors, light-emitting devices and other optoelectronic devices. It has application potential in the field of optical communication, optical storage, etc. It can realise the detection and processing of optical signals, as well as the light-emitting function.