CrCuS2

metal

· CrCuS2

CrCuS2 is a ternary chalcogenide compound combining chromium, copper, and sulfur—a mixed-metal sulfide that falls outside conventional alloy classifications. This material is primarily of research interest for semiconductor and photovoltaic applications, where its layered crystal structure and electronic properties are being investigated as a potential absorber material for thin-film solar cells and photoelectrochemical devices. Engineers would consider CrCuS2 for next-generation energy conversion systems where earth-abundant alternatives to cadmium telluride or copper indium gallium selenide are needed, though commercial deployment remains limited and material availability is restricted to specialized suppliers.

thin-film photovoltaicssolar absorber layersphotoelectrochemical devicessemiconductor researchearth-abundant electronicsexperimental energy materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	13,666.1	ksi	DFT
↳	13,127.4	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	5,949	ksi	DFT
↳	4,648.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1641	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.3700	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	100.6	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.01000	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.01000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	2.995	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00300	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000697	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-255.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	237.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5781	eV/atom	DFT · OptB88vdW

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

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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.

CrCuS2 — Properties & Data | MatWorld

CrCuS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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