Sm2Sn3Se9

semiconductor
· Sm2Sn3Se9

Sm₂Sn₃Se₉ is a ternary chalcogenide semiconductor composed of samarium, tin, and selenium, representing a rare-earth metal compound in the pnictogen/chalcogen family. This material is primarily of research interest for studying narrow-bandgap semiconductors and thermoelectric phenomena, as the rare-earth and post-transition metal combination can produce favorable phonon-scattering and charge-carrier properties. While not yet established in high-volume industrial production, materials in this compositional family are being investigated for potential applications in mid-to-infrared optoelectronics, thermoelectric power generation, and solid-state radiation detection where specialized bandgaps and thermal properties are advantageous over conventional semiconductors.

thermoelectric generatorsinfrared optoelectronics (research phase)radiation detectors (developmental)thin-film semiconductorsrare-earth compound research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
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.