Ca8 Sn2 S12

semiconductor

· Ca8 Sn2 S12

Ca8Sn2S12 is a quaternary sulfide semiconductor compound belonging to the thiospinel or related sulfide structural family, combining calcium, tin, and sulfur in a fixed stoichiometric ratio. This is a research-phase material investigated for potential thermoelectric and photovoltaic applications, where mixed-metal sulfides offer tunable bandgaps and phonon-scattering mechanisms to improve energy conversion efficiency. While not yet deployed in high-volume production, compounds in this family are of interest to materials researchers exploring earth-abundant alternatives to lead-based and rare-earth-containing semiconductors for mid-range temperature energy harvesting and optoelectronic devices.

thermoelectric devicesphotovoltaic researchsolid-state energy conversionoptoelectronic prototypingwide-bandgap semiconductor explorationearth-abundant semiconductor alternatives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.928	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.683	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.

Ca8 Sn2 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control