Bi2 Pb1 Se4

semiconductor

· Bi2 Pb1 Se4

Bi₂Pb₁Se₄ is a mixed-metal selenide semiconductor compound combining bismuth, lead, and selenium in a layered structure. This material belongs to the family of narrow-bandgap semiconductors and is primarily of research interest for thermoelectric and optoelectronic applications, where the combination of heavy elements and selenide chemistry offers potential for efficient charge carrier transport and phonon scattering control. Engineers evaluate this compound and related bismuth–lead chalcogenides for specialized cooling, power generation, and infrared detection systems where conventional semiconductors reach performance limits.

thermoelectric cooling devicesinfrared detectorsresearch semiconductorsnarrow-bandgap applicationsthermal energy harvestinglead-bismuth compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.06110	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4580	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.

Bi2 Pb1 Se4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control