Ca3Sn2S7

Name: Ca3Sn2S7
Brand: MatWorld

ceramic

· Ca3Sn2S7

Ca3Sn2S7 is a ternary chalcogenide ceramic compound combining calcium, tin, and sulfur elements. This material is primarily of research interest for photovoltaic and semiconductor applications, particularly in thin-film solar cells and optoelectronic devices where its bandgap and light-absorption properties may offer advantages over conventional materials. As an emerging compound rather than an established industrial ceramic, it represents the broader class of metal sulfide semiconductors being investigated as potential alternatives to conventional silicon and cadmium-based systems.

thin-film photovoltaicssolar cell absorber layersemiconductor researchoptoelectronic devicesnext-generation photovoltaic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1285	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5740	eV	DFT · OptB88vdW
↳	0.000	eV	Measured
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.582	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000689	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00212	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-82.57	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	389.2	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.06760	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.343	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

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.

Ca3Sn2S7 — Properties & Data | MatWorld

Ca3Sn2S7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental