Bi2Pb2Se5

ceramic

· JVASP-29647· Bi2Pb2Se5

Bi2Pb2Se5 is a layered bismuth-lead selenide ceramic compound belonging to the family of mixed-metal chalcogenides. This material is primarily explored in thermoelectric and topological materials research rather than established industrial production, offering potential for mid-to-high temperature heat-to-electricity conversion applications. Engineers consider this compound for specialized thermal management systems where its layered crystal structure and anisotropic properties could enable directional thermal or electronic control, though it remains largely in the development and characterization phase compared to conventional thermoelectric alternatives.

Thermoelectric devicesThermal energy harvesting2D materials researchHigh-temperature sensor applicationsTopological materials studySolid-state electronics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,811.7	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	38.56	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	3,756.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2763	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4930	eV	DFT · OptB88vdW
↳	0.9740	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	106.3	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	21.34	-	DFT · OptB88vdW
↳	15.03	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.2800	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4867	me	DFT · OptB88vdW · 27°C
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000561	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00134	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-130.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	207	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.71	%	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)	0.00310	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4862	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.

Bi2Pb2Se5 — Properties & Data | MatWorld

Bi2Pb2Se5

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental