TaPbS2

ceramic

· JVASP-17913· TaPbS2

TaPbS₂ is a ternary ceramic compound composed of tantalum, lead, and sulfur, belonging to the sulfide ceramic family. This is a research-phase material with limited industrial deployment; it is primarily studied for its potential in thermoelectric applications and solid-state electronic devices where the combination of heavy elements (tantalum and lead) may enable favorable charge carrier behavior and phonon scattering. Engineers investigating advanced energy conversion or next-generation semiconductor materials would evaluate this compound as part of broader materials discovery efforts, though conventional alternatives (bismuth telluride, skutterudites, half-Heuslers) remain more established for commercial thermoelectric applications.

thermoelectric devicessolid-state energy conversionsemiconductor researchadvanced ceramics developmentmaterials discovery screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3061	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000468	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000686	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	18.24	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	26.63	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9569	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.

TaPbS2 — Properties & Data | MatWorld

TaPbS2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental