Pr4 Pb2 S8

semiconductor

· Pr4 Pb2 S8

Pr₄Pb₂S₈ is a rare-earth lead sulfide semiconductor compound combining praseodymium, lead, and sulfur in a layered chalcogenide structure. This is an experimental research material studied for its potential in narrow-bandgap semiconductor applications and thermoelectric energy conversion, belonging to the broader family of rare-earth metal chalcogenides that have attracted attention for their unique electronic and thermal properties. While not yet commercialized at scale, materials in this class are investigated for their promise in solid-state cooling, mid-infrared optoelectronics, and next-generation thermoelectric devices where conventional semiconductors face performance limitations.

thermoelectric energy harvestinginfrared optoelectronicssolid-state cooling devicesresearch semiconductorsrare-earth compound developmenthigh-temperature power generation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.249	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.766	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 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control