Pr4 Pb2 Se8

semiconductor

· Pr4 Pb2 Se8

Pr₄Pb₂Se₈ is a rare-earth lead selenide compound belonging to the chalcogenide semiconductor family, combining praseodymium and lead with selenium to create a layered or complex crystal structure. This material is primarily of research interest for thermoelectric and optoelectronic applications, where the combination of rare-earth and heavy-metal chalcogenide components can offer favorable electronic band structures and phonon-scattering properties. While not yet widely commercialized, compounds in this family are investigated for next-generation solid-state energy conversion and mid-infrared photonic devices where conventional semiconductors fall short.

thermoelectric power generationmid-infrared optoelectronicsrare-earth chalcogenide researchsolid-state energy conversionphotonic materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	63.29	GPa	—
Shear Modulus(G)	32.05	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.747	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.570	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.

Pr4 Pb2 Se8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control