Si1 S4 Co1 Cu2

semiconductor
· Si1 S4 Co1 Cu2

Si₁S₄Co₁Cu₂ is a quaternary semiconductor compound combining silicon, sulfur, cobalt, and copper elements, representing an experimental or niche functional material rather than a commercial standard. This composition falls within the broader family of mixed-metal sulfides and silicates, which are of research interest for photovoltaic, thermoelectric, and catalytic applications due to the electronic activity of transition metals (Co, Cu) combined with the semiconducting character of Si-S frameworks. While not yet widely deployed in mainstream engineering, materials of this class are explored for next-generation thin-film photovoltaics, photocatalytic water splitting, and semiconductor device engineering where band-gap tuning and multi-metal functionality are advantageous.

thin-film photovoltaicsphotocatalysisthermoelectric devicesresearch semiconductorstransition-metal semiconductorsenergy conversion materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
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.