Ca8 Sn4 S16
semiconductor· Ca8 Sn4 S16
Ca8Sn4S16 is a mixed-metal sulfide semiconductor compound combining calcium, tin, and sulfur in a fixed stoichiometric ratio. This material belongs to the family of complex metal sulfides and is primarily of research interest for optoelectronic and energy conversion applications, where its bandgap and defect chemistry make it a candidate for photovoltaic absorbers or thermoelectric devices. Unlike more established semiconductors (Si, GaAs), this compound remains largely experimental; its advantage lies in potential abundance of precursor elements and tunable electronic properties through the multi-metal framework, though commercialization pathways and scalability remain under investigation.
photovoltaic absorber layersthermoelectric materials (research)thin-film solar cellssemiconductor defect engineeringchalcogenide optoelectronics
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| 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.