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

semiconductor

· Ge0.2Te0.2Pb0.8Se0.8

Ge0.2Te0.2Pb0.8Se0.8 is a quaternary chalcogenide alloy combining germanium, tellurium, lead, and selenium—a composition within the lead-tin-telluride and lead-telluride material families widely studied for thermoelectric and infrared optics applications. This material is primarily a research-phase compound being investigated for mid-to-long-wavelength infrared sensing, thermal management systems, and potentially next-generation thermoelectric devices where the specific elemental balance is tuned to optimize band gap and carrier transport. The lead and tellurium content positions it as an alternative to binary PbTe, offering the potential to tailor performance through quaternary composition engineering, though deployment remains largely confined to specialized defense, aerospace, and scientific instrumentation rather than commodity applications.

infrared detectors and sensorsthermoelectric cooling/power generationthermal imaging systemsspace and defense opticsresearch and development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3600	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.

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

Electrical Properties

Regulatory Screening

Environmental

Export Control