Bismuth sulfide powder is an important inorganic compound material.
Basic information:
Chemical formula: Bi₂S₃, composed of bismuth (Bi) and sulfur (S).
CAS number: 1345-07-9.
Molecular weight: 514.16.
Physical properties:
Appearance: Usually a dark brown or brownish yellow powder.
Density: The relative density is about 7.6-7.8g/cm³.
Melting point: about 685℃ (decomposition temperature).
Crystal structure: belongs to the triangular crystal system, with a special layered structure and weak bonds between the layered units.
Preparation method:
Direct synthesis method: Bismuth powder and sulfur powder are mixed according to a certain proportion, and Bi₂S₃ powder is directly reacted 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 Bi₂S₃ powder is obtained through filtration, washing, drying and other steps.
Application field:
Semiconductor field: As an important semiconductor material, bismuth sulfide has potential applications in thermoelectric, electronic and optoelectronic devices.
Optical field: It can be used to make photoelectric converters, and has a wide range of application prospects in infrared spectroscopy, luminescent materials, 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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