CuS
metal· CuS
Copper sulfide (CuS) is an inorganic compound belonging to the chalcogenide family, existing naturally as the mineral covellite and also produced synthetically for industrial applications. It is primarily used in photovoltaic devices, photodetectors, and thin-film solar cells due to its semiconductor properties, as well as in catalysis, lubricants, and historical pigment applications. Engineers select CuS-based materials for optoelectronic and energy conversion applications where earth-abundant, non-toxic alternatives to cadmium or lead-based compounds are required, though it remains largely confined to research and specialized industrial contexts rather than commodity applications.
thin-film photovoltaicsphotodetectors and sensorsheterojunction solar cellscatalytic applicationssolid lubricantssemiconductor research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 80.16 | GPa | — | ||
Shear Modulus(G) | 24.73 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.226 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 19.01 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.2659 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.2710 | eV/atom | — | ||
| ↳ | 0.00274 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.