Sm2 S2 I2

semiconductor
· Sm2 S2 I2

Sm₂S₂I₂ is a rare-earth chalcohalide semiconductor compound combining samarium, sulfur, and iodine—a material family that remains primarily in the research and development phase rather than established industrial production. This mixed-anion compound represents an emerging class of semiconductors being investigated for potential optoelectronic and photovoltaic applications, where the combination of chalcogenide and halide components may enable tunable bandgaps and unique electronic properties. Engineers considering this material should recognize it as an experimental compound; its development trajectory and performance advantages relative to more mature semiconductors (such as conventional III-V or perovskite systems) are still being established in academic and laboratory settings.

experimental photovoltaicsrare-earth semiconductors researchoptoelectronic devices (developmental)thin-film electronicsbandgap engineering studiesnext-generation absorber materials

Compliance & Regulations

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