S8 Cu4 Zn2 Sn2

semiconductor
· S8 Cu4 Zn2 Sn2

S8Cu4Zn2Sn2 is a quaternary semiconductor compound combining sulfur with copper, zinc, and tin elements, representing a research-phase material in the kesterite and sulfide semiconductor family. This composition belongs to the broader class of earth-abundant semiconductor alloys being investigated as potential alternatives to conventional cadmium telluride or CIGS photovoltaic materials, offering the advantage of using non-toxic, widely available elements. The material's notable characteristic is its potential for low-cost thin-film solar cell applications and thermoelectric devices, though it remains largely in the development phase with ongoing research focused on phase stability, defect management, and carrier transport optimization.

thin-film photovoltaic researchearth-abundant solar cellsthermoelectric devicessemiconductor device developmentmaterials research and experimentation

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.
S8 Cu4 Zn2 Sn2 — Properties & Data | MatWorld