Pb0.8Se0.8Ge0.2Te0.2

semiconductor
· Pb0.8Se0.8Ge0.2Te0.2

Pb0.8Se0.8Ge0.2Te0.2 is a quaternary lead chalcogenide semiconductor alloy combining lead selenide and lead telluride with germanium doping, belonging to the IV-VI narrow bandgap semiconductor family. This material is primarily investigated for thermoelectric applications where its narrow bandgap and tunable electronic properties enable efficient conversion between heat and electrical energy, particularly in mid-temperature waste heat recovery systems. The alloyed composition represents an optimization strategy within lead chalcogenide thermoelectrics to enhance figure of merit through band structure engineering and phonon scattering control, making it notable for competing with traditional bismuth telluride materials in specialized thermal energy harvesting applications.

thermoelectric power generationwaste heat recoveryinfrared detectorstemperature sensorssolid-state cooling devicesspace and industrial thermal management

Compliance & Regulations

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