Fe2 S4

semiconductor

· Fe2 S4

Fe₂S₄ is an iron sulfide semiconductor compound that belongs to the family of transition metal chalcogenides, which are of significant interest for photovoltaic and optoelectronic applications. While primarily a research material rather than a commercial standard, iron sulfides in this composition range are being investigated for thin-film solar cells, photoelectrochemical devices, and other semiconductor applications due to their tunable bandgap and earth-abundant constituent elements. Engineers would consider Fe₂S₄ as part of the broader effort to develop cost-effective, non-toxic alternatives to conventional semiconductor materials like CdTe or perovskites.

photovoltaic researchthin-film solar cellsphotoelectrochemical devicesoptoelectronic componentsexperimental semiconductor applicationsearth-abundant materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	147.7	GPa	—
Shear Modulus(G)	127.2	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8661	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6380	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.

Fe2 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control