Au4 Se4

semiconductor
· Au4 Se4

Au₄Se₄ is a binary semiconductor compound composed of gold and selenium in equimolar proportions, belonging to the family of chalcogenide semiconductors. This material is primarily of research interest rather than established in high-volume manufacturing, studied for its potential in optoelectronic and photonic applications due to the tunable bandgap and optical properties characteristic of gold chalcogenides. Engineers evaluating Au₄Se₄ would consider it for specialized photodetector or photovoltaic development where the gold-selenium system's strong light absorption and carrier transport properties offer advantages over more conventional semiconductors, though material stability, reproducibility, and cost remain active research challenges.

photodetectorsphotovoltaic researchoptoelectronicsthin-film semiconductorsphotonics developmentexperimental electronic devices

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.