Bi4 Te7 Pb1

semiconductor

· Bi4 Te7 Pb1

Bi₄Te₇Pb₁ is a lead-doped bismuth telluride compound belonging to the family of chalcogenide semiconductors, synthesized as a research material to optimize thermoelectric performance through compositional doping. This material is investigated for thermoelectric applications where the substitution of lead into the bismuth telluride matrix is designed to modify charge carrier concentration and phonon scattering behavior, potentially improving efficiency for power generation or solid-state cooling. Lead-doped bismuth telluride variants remain largely in the research and development phase, with potential relevance for high-temperature thermoelectric generators and specialized heat pump systems where enhanced performance over baseline Bi₂Te₃ is sought.

thermoelectric power generationsolid-state cooling devicesresearch thermoelectricswaste heat recoverydoped semiconductor optimizationmid-temperature energy conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	32.64	GPa	—
Shear Modulus(G)	22.01	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1207	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2670	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.

Bi4 Te7 Pb1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control