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
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.