BaCu2SnSe4

semiconductor
· BaCu2SnSe4

BaCu₂SnSe₄ is a quaternary chalcogenide semiconductor compound belonging to the family of metal selenides, characterized by a complex crystal structure combining barium, copper, and tin cations with selenium anions. This material is primarily of research interest for optoelectronic and thermoelectric applications, with potential advantages over conventional semiconductors due to its tunable bandgap and relatively high atomic mass, which can reduce phonon-assisted heat transport. While not yet widely commercialized, compounds in this material class are being investigated as alternatives to lead-based perovskites and other toxic semiconductors for next-generation photovoltaic devices, infrared detectors, and solid-state cooling applications.

photovoltaic researchinfrared detectionthermoelectric devicesoptoelectronic semiconductorsnon-toxic semiconductor alternativesmaterials screening for energy conversion

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
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Density(ρ)
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Verified Unverified Low confidence (<80%) Link to source
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Band Gap(Eg)2 entries
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Magnetic Moment(μB)
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Seebeck Coefficient(S)
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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.
Verified Unverified Low confidence (<80%) Link to source
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Energy Above Hull(ΔEhull)
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Formation Energy(ΔHf)
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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.