Used in solar energy applications, including photovoltaic cells and light sensors, due to its semiconductor properties, good electrical conductivity, and light absorption capabilities.

Employed in the production of copper-based chemicals and as a catalyst in industrial chemical processes.

Used in the mining industry to aid in the separation of copper from other minerals via froth flotation.

Found in certain types of batteries and electronic devices as a conductive material.

Utilized in pigments for ceramics and glass, providing dark gray to black coloring.

Investigated for use in thermoelectric materials that convert waste heat into electricity.