FeCuSe2

semiconductor

· FeCuSe2

FeCuSe2 is an iron-copper selenide semiconductor compound combining iron, copper, and selenium in a mixed-valence structure. This material belongs to the family of chalcogenide semiconductors and is primarily investigated in research contexts for photovoltaic and thermoelectric applications, where its tunable band gap and mixed-metal composition offer potential advantages over single-element or binary semiconductors. Its layered crystal structure and semiconductor properties make it a candidate for next-generation energy conversion devices, though industrial adoption remains limited compared to established semiconductors like silicon or cadmium telluride.

photovoltaic solar cellsthermoelectric energy conversionthin-film semiconductorsmaterials researchchalcogenide electronicsexperimental optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.768	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)2 entries	0.1500	eV	—
↳	0.000	eV	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1521	eV/atom	—
Formation Energy(ΔHf)	-0.1381	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.

FeCuSe2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control