S4 Cu3 Sb1

semiconductor

· S4 Cu3 Sb1

S4Cu3Sb1 is a quaternary semiconductor compound composed of sulfur, copper, and antimony elements, belonging to the family of copper-based chalcogenides. This material is primarily of research interest for thermoelectric and photovoltaic applications, where copper-antimony-sulfur systems have shown potential for energy conversion due to their tunable band gap and favorable phonon scattering properties. Compared to lead-based or tin-based alternatives, copper-antimony chalcogenides offer lower toxicity and earth-abundance advantages, though the material remains largely in the development stage for commercial deployment.

thermoelectric power generationphotovoltaic devicesinfrared detectorsthin-film semiconductorsresearch and development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00570	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2850	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.

S4 Cu3 Sb1

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control