Cu2 Sn1 Se4

semiconductor
· Cu2 Sn1 Se4

Cu₂SnSe₄ is a quaternary semiconductor compound belonging to the chalcogenide family, specifically a diamond-like structure with potential for optoelectronic and thermoelectric applications. This material is primarily investigated in research settings for photovoltaic devices, infrared detectors, and thermoelectric energy conversion, where its direct bandgap and tunable electronic properties offer advantages over simpler binary or ternary semiconductors. Engineers consider Cu₂SnSe₄ when designing cost-effective alternatives to cadmium-based or lead-based semiconductors, as it utilizes abundant elements and demonstrates promising performance in thin-film device architectures.

thin-film photovoltaicsinfrared detectorsthermoelectric energy harvestingoptoelectronic devicesresearch-stage semiconductors

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.