Pb2SeS — Properties & Data | MatWorld

Pb2SeS

ceramic

· JVASP-103435· Pb2SeS

Pb2SeS is a mixed-anion lead chalcogenide ceramic compound combining lead, selenium, and sulfur in a single-phase structure. This material belongs to the family of lead chalcogenides, which are primarily studied for thermoelectric and optoelectronic applications where the combination of different chalcogen elements can tune electronic and phononic properties. While not yet widely deployed in high-volume industrial production, Pb2SeS represents research into multinary semiconducting ceramics that could offer improved performance in energy conversion or photonic devices compared to their binary counterparts.

Thermoelectric power generationOptoelectronic devicesMaterials research and developmentSemiconductor researchInfrared detection systemsSolid-state energy conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	7,663.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	4,947.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2795	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7910	eV	DFT · OptB88vdW
↳	1.157	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	18.62	-	DFT · OptB88vdW
↳	12.95	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.82	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01450	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6135	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Pb2SeS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental