Sn0.28Te0.28Pb0.72Se0.72

semiconductor
· Sn0.28Te0.28Pb0.72Se0.72

Sn0.28Te0.28Pb0.72Se0.72 is a quaternary narrow-bandgap semiconductor alloy combining tin, tellurium, lead, and selenium—a member of the lead chalcogenide family widely studied for infrared and thermal sensing applications. This material composition is primarily explored in research contexts for mid-wave and long-wave infrared detectors, where its narrow bandgap enables sensitivity to thermal radiation in the 3–14 μm range. Engineers select lead chalcogenide alloys over alternatives like mercury cadmium telluride when lower toxicity, better lattice matching, or specific thermal stability requirements apply, though applications remain concentrated in defense, aerospace, and specialized instrumentation rather than mainstream commercial products.

infrared detectorsthermal imaging sensorsresearch-phase semiconductorsaerospace instrumentationmilitary sensing systemscryogenic applications

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.