Bismuth Sulfide Bi2S3

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bismuth sulphide is a crystalline solid used as a semiconductor and in photo optic applications. It is a member of group 15 (VA) post-transition metal trichalcogenides and has a very low band gap of 1.3 eV making it an excellent choice as a sensitized nanowire electrode for photovoltaic applications.

Bismuth Sulfide Bi2S3 has a layered structure of atomic scale ribbons bound by van der Waals interactions and can be exfoliated into thin 2D layers via mechanical or liquid exfoliation methods. It is a n-type semiconductor and is suitable for application in sensitized solar cells, thermo electronic devices and nonlinear absorption based biomolecule detection.

It has been found that the synthesis of Bismuth Sulfide is very simple and can be achieved using a variety of methods. It is also an ideal choice for green chemistry applications as it does not require the use of toxic or polluting solvents.

This material is highly resistant to corrosion and exhibits good conductivity and thermal stability. The high oxidation resistance of this material makes it an excellent choice for applications such as lubricants, greases, fuel additives and anti-wear brake pads.

Moreover, the stoichiometric nature of this material and its atomic scale structure allows for the preparation of highly conductive and optically transparent Bi2S3 nanorods with a 1.4 eV bandgap. These stoichiometric and highly conductive Bi2S3 nanorods are a highly promising candidate for optoelectronic applications such as infrared spectroscopy, visible light activated hydrogen evolution (VLAH), electrochemical sensing and supercapacitor technologies.