S4 Fe1 Cu2 Sn1

semiconductor

· S4 Fe1 Cu2 Sn1

S4Fe1Cu2Sn1 is an experimental quaternary semiconductor compound combining sulfur, iron, copper, and tin in a fixed stoichiometric ratio. This material belongs to the family of multinary chalcogenides and is primarily of research interest for photovoltaic and thermoelectric applications, where the combination of earth-abundant elements offers potential cost advantages over conventional semiconductors. The material's multi-element composition may enable tunable bandgap and carrier transport properties relevant to thin-film solar cells or solid-state energy conversion devices, though industrial adoption remains limited pending optimization of synthesis routes and device-level performance validation.

thin-film photovoltaicsthermoelectric devicesresearch semiconductorsearth-abundant solar materialsmultinary chalcogenides

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	67.98	GPa	—
Shear Modulus(G)	25.19	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01950	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3930	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 Fe1 Cu2 Sn1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control