Ca3Sn2S7

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	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	—
↳	0.5740	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-82.57	µV/K	—

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	—
Formation Energy(ΔHf)	-1.343	eV/atom	—

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

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

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental