Cu4 Si2 S6
semiconductor· Cu4 Si2 S6
Cu4Si2S6 is a quaternary semiconductor compound combining copper, silicon, and sulfur elements, belonging to the family of mixed-metal chalcogenides. This material is primarily investigated in research contexts for photovoltaic and optoelectronic applications, where its tunable bandgap and potential for earth-abundant, non-toxic device architectures position it as an alternative to conventional semiconductor materials like CdTe or CIGS. Engineers consider this class of materials for next-generation solar cells and light-emitting devices where cost reduction, scalability, and environmental benignity are driving factors in material selection.
thin-film photovoltaicssolar cell absorber layersoptoelectronic devicesearth-abundant semiconductorsresearch and developmentlight-emitting diodes
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.