Fe1 Cu2 Se4 Sn1

semiconductor

· Fe1 Cu2 Se4 Sn1

Fe₁Cu₂Se₄Sn₁ is an experimental quaternary semiconductor compound combining iron, copper, selenium, and tin in a mixed-metal chalcogenide structure. This material belongs to the family of complex metal selenides under investigation for photovoltaic and thermoelectric applications, where the multi-element composition offers tunable electronic properties and potential band-gap engineering advantages over binary or ternary alternatives. Research into such quaternary semiconductors is driven by the need for earth-abundant, non-toxic absorber layers and thermoelectric materials with improved performance in thin-film devices and energy conversion systems.

photovoltaic absorber layers (research)thermoelectric power generationthin-film solar cellswaste heat recoverymaterials discovery and band-gap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8,297.8	ksi	—
Shear Modulus(G)	2,788.6	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00240	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2430	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.

Fe1 Cu2 Se4 Sn1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control