Bismuth (III) Sulfide (Bi2S3) Nanopowder/Nanoparticles, Purity: 99.9+%

Bismuth (III) Sulfide (Bi2S3) Nanopowder/Nanoparticles

Purity: 99.9+%

Bismuth (III) Sulfide is a high-purity grey inorganic semiconductor material provided in powder and/or chunk form. Characterized by its stable bismuthinite crystal structure verified by XRD and Infrared Spectroscopy, it features an ideal direct bandgap and high thermoelectric performance. Its high chemical purity and structural consistency make it a vital raw material for advanced optoelectronic devices, thermoelectric power generation, photo-catalytic systems, and energy storage research.

Technical Properties

Applications

• Thermoelectric Energy Harvesting: Used as a high-performance n-type thermoelectric material for power generation and solid-state cooling. Its inherently low thermal conductivity and favorable electronic transport properties enable efficient waste-heat recovery in thermoelectric generators.
• Optoelectronics and Photovoltaics: Applied in the fabrication of photodetectors, solar cells, and light-emitting systems. The material’s narrow direct bandgap allows for strong light absorption across the visible to near-infrared (NIR) spectrum, enhancing photoelectric conversion efficiency.
• Photocatalysis and Environmental Remediation: Serves as a highly active photocatalyst for degradation of organic pollutants and photo-electrochemical water splitting. Its optimized band structure facilitates rapid charge carrier separation under visible light irradiation.
• Energy Storage and Electrochemical Sensors: Utilized in advanced lithium-ion and sodium-ion battery anode formulations, as well as electrochemical biosensors. Its layered crystal structure provides reversible ion intercalation channels, ensuring good cycle stability and electrochemical sensitivity.