Bismuth sulfide particles are an important inorganic compound material.
Basic information:
Chemical formula: Bi₂S₃, composed of two elements: bismuth (Bi) and sulfur (S).
Appearance: Usually dark brown powder particles, but depending on the preparation method and purity and other factors, the color may vary.
Density: The relative density is between 6.78-7.8 g/cm³.
Melting point: approximately 685°C (decomposition temperature).
Crystal structure: belongs to trigonal crystal system.
Preparation method:
Direct synthesis method: Bismuth powder and sulfur powder are mixed in a certain proportion, and bismuth sulfide particles are directly generated under high temperature conditions.
Solution method: Bismuth salt solution is mixed with sulfur-containing compound solution, and Bi₂S₃ is precipitated through chemical reaction, and then bismuth sulfide particles are obtained through filtration, washing, drying and other steps. This method can be performed at relatively low temperatures, and the size and morphology of the particles can be adjusted by controlling the reaction conditions.
Application field:
Semiconductor field: Bismuth sulfide is a semiconductor material, which has certain application potential in semiconductor devices, and can be used to prepare photodetectors, solar cells, etc.
Thermoelectric materials: In recent years, bismuth sulfide has attracted attention as a new thermoelectric material. By optimizing the preparation process and doping, the thermoelectric properties can be improved, and it is expected to be applied in the fields of waste heat power generation and temperature difference refrigeration.
Optical field: Due to its special optical properties, it can be used to prepare optical coatings, nonlinear optical materials, etc.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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