Ca4 Sn2 S8
semiconductor· Ca4 Sn2 S8
Ca4Sn2S8 is an inorganic semiconductor compound belonging to the sulfide family, composed of calcium, tin, and sulfur. This material is primarily investigated in research contexts for photovoltaic and optoelectronic applications, particularly as an alternative absorber material for thin-film solar cells and solid-state lighting due to its tunable bandgap and earth-abundant constituent elements. Engineers consider this compound for next-generation renewable energy devices where cost-effective, non-toxic alternatives to conventional semiconductors (like CdTe or CIGS) are desirable, though it remains largely in the developmental stage rather than mainstream industrial production.
thin-film solar cellsphotovoltaic absorbersoptoelectronic devicessolid-state lightingsemiconductor researchearth-abundant energy materials
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — median of 3 measurements | Pa | — | — | |
Shear Modulus(G) | — median of 3 measurements | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
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.