Description
Bismuth (III) Sulfide (Bi₂S₃) Nanopowder/Nanoparticles
Purity: 99.9+% | Particle Size: 500 nm | Chemical Formula: Bi₂S₃ | Crystal Structure: Orthorhombic
Technical Properties:
| Property | Value |
|---|---|
| Chemical Formula | Bi₂S₃ |
| Purity (%) | ≥99.9 |
| Average Particle Size (nm) | 500 |
| Crystal Structure | Orthorhombic |
| Appearance | Black or grayish-black powder |
| Density (g/cm³) | ~6.78 |
| Melting Point (°C) | 685 |
| Band Gap | ~1.3 eV (semiconducting) |
Key Applications:
➤ Thermoelectric Materials
Bi₂S₃ nanoparticles are commonly used in thermoelectric devices due to their narrow band gap and efficient heat-to-electricity conversion properties.
➤ Optoelectronics & Photodetectors
Used in infrared detectors, photovoltaics, and solar cells thanks to its semiconducting nature and photoresponse characteristics.
➤ Biomedical Applications
Emerging use in cancer photothermal therapy and biomedical imaging, particularly when modified for enhanced biocompatibility.
➤ Catalysis & Electrochemical Devices
Acts as a catalyst in certain organic transformations and electrochemical devices such as batteries and supercapacitors.
➤ Pigments & Coatings
Due to its deep color and stability, it is also explored in ceramic pigments and surface coatings for specific industrial applications.
Storage Conditions:
Bismuth sulfide nanopowder should be sealed tightly and stored in a cool, dry place, away from moisture and direct sunlight. Contact with strong oxidizers should be avoided.