Bi2 Pb2 Se5

semiconductor

· Bi2 Pb2 Se5

Bi₂Pb₂Se₅ is a mixed-cation selenide semiconductor compound combining bismuth, lead, and selenium elements. This material is primarily investigated in thermoelectric and photovoltaic research applications, where its layered crystal structure and narrow bandgap make it a candidate for waste heat recovery systems and infrared sensing devices. While not yet commercialized at scale, materials in this bismuth-lead-chalcogenide family are notable for their potential to combine moderate mechanical stability with semiconducting properties suitable for mid-range temperature thermoelectric conversion.

Thermoelectric power generationInfrared detectors and sensorsWaste heat recoveryResearch semiconductorsLow-to-mid temperature energy conversionPhotovoltaic research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,811.2	ksi	—
Shear Modulus(G)	3,756.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1469	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4860	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 Pb2 Se5

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control