Au4 S2
semiconductor· Au4 S2
Au₄S₂ is a gold sulfide semiconductor compound combining noble metal and chalcogen elements. This material belongs to the family of metal sulfide semiconductors, which are primarily of research interest for optoelectronic and photovoltaic applications rather than established commercial use. Gold sulfides show promise in nanoelectronics, photocatalysis, and thin-film device research due to their unique electronic structure, though practical engineering adoption remains limited compared to more conventional semiconductors.
experimental semiconductor devicesphotocatalytic applicationsoptoelectronic researchnanostructured thin filmsmaterials science research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | Pa | — | — | |
Shear Modulus(G) | — | Pa | — | — |
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.