Pb2 S4

semiconductor

· Pb2 S4

Pb₂S₄ is a mixed-valence lead sulfide compound belonging to the family of lead chalcogenides, which are narrow-bandgap semiconductors. This material is primarily of research and developmental interest rather than established industrial production, investigated for potential optoelectronic and thermoelectric applications where its unique electronic structure could offer advantages over conventional binary lead sulfide (PbS). Lead chalcogenide semiconductors are valued for infrared detection and energy conversion, making Pb₂S₄ a candidate for next-generation thermal imaging, mid-infrared sensing, and solid-state power generation in niche applications requiring tailored bandgap control.

infrared detectorsthermal imaging sensorsthermoelectric devicesresearch semiconductorsoptoelectronic materialsnarrow-bandgap compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3155	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4080	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.

Pb2 S4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control