Copper Sulfide Nanoparticles

Copper Sulfide Nanoparticles

Copper sulfide nanoparticles are a class of copper-based compounds formed by the combination of copper and sulfur. They exist in various stoichiometric forms, with copper(I) sulfide (Cu₂S) and copper(II) sulfide (CuS) being the most common phases.

Properties

Semiconducting Properties: Copper sulfide is a semiconductor material with an adjustable bandgap, depending on its phase (Cu₂S or CuS) and the nanoparticle size. This makes it useful in electronic and photonic applications.

Optical Properties: have light absorption in the near-infrared region, which can be tuned by adjusting the particle size. These optical properties are beneficial for solar cells, photodetectors, and optical imaging applications.

High Surface Area: Due to their nanoscale size, exhibit a high surface area to volume ratio, which enhances their chemical reactivity and makes them suitable for catalysis and energy storage.

Thermoelectric Properties: Copper sulfide is known for its thermoelectric properties, which allow it to convert heat into electrical energy, making it a promising material for thermoelectric generators (TEGs) and cooling devices.

Biocompatibility and Low Toxicity: Copper sulfide nanoparticles are generally considered to have low toxicity, particularly compared to other copper-based compounds, which makes them attractive for use in biomedical applications, such as drug delivery and biosensors.

Electrochemical Activity: Copper sulfide nanoparticles show good electrochemical properties, which make them suitable for use in energy storage devices, such as supercapacitors and batteries.