Cu3SnSe4

metal

· JVASP-155398· Cu3SnSe4

Cu3SnSe4 is a ternary compound semiconductor composed of copper, tin, and selenium, belonging to the family of chalcogenide semiconductors with potential applications in photovoltaic and thermoelectric energy conversion. This material is primarily investigated in research contexts for thin-film solar cells and thermoelectric devices, where its tunable bandgap and layered crystal structure offer advantages over conventional single-element semiconductors. Engineers consider Cu3SnSe4 as an alternative to lead-based or CdTe-based absorber materials due to its use of earth-abundant elements and lower toxicity, though it remains largely in the development phase rather than established industrial production.

thin-film photovoltaic absorbersthermoelectric power generationsolid-state energy conversionresearch semiconductorssustainable solar technologychalcogenide optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.655	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2769	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.

Cu3SnSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control