What is Bismuth Sulfide Powder?

How do you define it? Bismuth Sulfide Pulver ? Bismuth sulfuride is a yellowish brown powder or crystal that has a specific gravity at 7.39. It is easily broken down at 685°C. It's insoluble in water and in ethyl-acetate.
Here are some of the key features Bismuth Sulfide Powder
Bi2S3's unique layer structure is coupled with weak bonds between the layered units. These properties lead to anisotropy in Bi2S3's growth, and growth of nuclei as tiny flake-like crystals during solvothermal and thermothermal synthesis. At relatively low temperatures, crystal growth rates of reactants are faster than nucleation rates, which encourages growth of bi2S3 nanoflakes using solvents that have high viscosity or high surface tension. Powders made in high viscosity solvents with high surface tension (distilled water, distilled-ethylene glycol (2 : 1) favored formation of nanoflake structures. Bi2S3 has a viscosity and surface tension of solvent DMF that is relatively low. This allows for stronger chemical forces between S-Bi bond in the chain. PBC's theory of crystal growth states that Bi2S3 crystals grow along the greatest force. Bi2S3 Nanorods will eventually form if the growth rate of the strongest bond chain is the fastest.

Bismuth Sulfide Properties
Other Titles dibismuth trisulphide, bismuch(3+) sulfide (2:3), Bi2S3 powder
Compound Formula Bi2S3
Molecular Weight 514.16
Appearance The dark-brown powder
Melting Point 775
Boiling Point N/A
Density 6.78 g/cm3
Solubility of H2O N/A
Exact Mass 513.876978

Bismuth Salt Sulfide Bi2S3 Pulp CAS 13455-07-9

Bismuth sulfide powder uses
The important semiconductor material bismuth sulfuride can be used in infrared and electronic spectroscopy, as well in the manufacture of thermoelectric and electronic devices. Bismuth sulfide's band gap energy at room temperature of 1.33eV is usable to make photoelectric convertors. Also, it is used extensively in thermoelectric cooling. Blue-shifting of the UV-visible wavelength and fluorescence emission wavelength can be achieved by nanoscale bismuth. It also produces the nonlinear optical response, which enhances the photoelectric catalyst performance. This material has many potential applications in luminescent, nonlinear, and photocatalytic materials.
The seller of Bismuth Sulfide Powder
Luoyang Trunnano Tech Co., Ltd. is an expert sulfide powder Over 12 years' experience in developing and researching chemical products. You can pay by Credit Card, T/T or West Union. Trunnano ships goods by FedEx or DHL to overseas customers by air and sea.
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