Pb2 Se4

semiconductor
· Pb2 Se4

Pb₂Se₄ is a lead selenide compound semiconductor belonging to the IV-VI narrow-bandgap semiconductor family, typically studied in research contexts for infrared detection and thermal imaging applications. This material is of primary interest in advanced optoelectronic device development, where its narrow bandgap makes it suitable for mid- and long-wavelength infrared sensing at cryogenic or thermoelectrically cooled temperatures. While not widely deployed in volume production compared to established alternatives like mercury cadmium telluride (HgCdTe), lead selenide compounds offer potential advantages in lattice matching for heterostructure devices and are actively investigated for cost-effective infrared focal plane arrays and thermal cameras in defense, scientific instrumentation, and emerging civilian thermal sensing markets.

infrared detectorsthermal imaging sensorscryogenic optoelectronicsfocal plane arraysmid-wavelength IR sensingresearch semiconductors

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
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.