Cu2 S4
semiconductor· Cu2 S4
Cu₂S₄ is a copper sulfide semiconductor compound that belongs to the family of metal chalcogenides, which are materials composed of metals combined with sulfur or other chalcogen elements. This material is primarily of research interest for photovoltaic and optoelectronic applications, where its semiconducting properties and tunable bandgap make it a candidate for next-generation solar cells and light-emitting devices, though it remains less commercialized than established alternatives like CdTe or perovskites.
photovoltaic researchthin-film solar cellsoptoelectronic deviceschalcogenide semiconductorslaboratory-scale material developmentalternative energy conversion
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.