Cu4 Ag4 S4
semiconductor· Cu4 Ag4 S4
Cu4Ag4S4 is a quaternary semiconductor compound combining copper, silver, and sulfur in a stoichiometric ratio, belonging to the family of mixed-metal chalcogenides. This material is primarily of research interest for potential applications in thermoelectric devices, photovoltaic systems, and solid-state electronics where the combination of two coinage metals with sulfur offers tunable electronic and thermal properties. The dual-metal composition distinguishes it from single-metal sulfide semiconductors, potentially enabling enhanced performance through synergistic alloying effects, though industrial adoption remains limited and practical applications are still under investigation.
thermoelectric energy conversionphotovoltaic researchsemiconductor device developmentsolid-state electronicsexperimental chalcogenide materials
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
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.