CuS — Properties & Data | MatWorld

CuS

Name: CuS
Brand: MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	11,626.5	ksi	DFT
Shear Modulus(G)	3,587.4	ksi	DFT

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1888	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.2659	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	0.00274	eV/atom	DFT · OptB88vdW
↳	-0.2710	eV/atom	Measured

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

CuS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control