CdCu2SnS4 — Properties & Data | MatWorld

CdCu2SnS4

Name: CdCu2SnS4
Brand: MatWorld

semiconductor

· CdCu2SnS4

CdCu₂SnS₄ is a quaternary chalcogenide semiconductor compound combining cadmium, copper, tin, and sulfur into a tetragonal crystal structure. This material is primarily investigated in photovoltaic and optoelectronic research contexts as a potential absorber layer for thin-film solar cells and as an alternative to traditional CIGS (copper indium gallium selenide) absorbers. While not yet commercialized at production scale, CdCu₂SnS₄ is notable within the kesterite and stannite compound family for its tuneable bandgap, earth-abundant constituent elements (particularly the substitution of indium with tin), and potential for cost-effective photovoltaic devices; however, engineers should be aware that cadmium toxicity and processing complexity remain barriers to widespread industrial adoption compared to established alternatives.

thin-film photovoltaic absorberssolar cells (experimental)optoelectronic deviceslight-emitting applicationschalcogenide semiconductorsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	66.60	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	24.50	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.661	kg/m³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.370	eV	Measured
↳	0.01900	eV	DFT · OptB88vdW
↳	0.5970	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	19.26	-	DFT · OptB88vdW
↳	9.706	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	19.25	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00690	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4675	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

Environmental

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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.

CdCu2SnS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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