Bi2Sb2Te3

ceramic
· JVASP-110280· Bi2Sb2Te3

Bi2Sb2Te3 is a bismuth-antimony-tellurium compound belonging to the chalcogenide ceramic family, engineered specifically for thermoelectric applications where heat and electrical energy conversion is required. This material is the foundational composition in commercial thermoelectric modules used for cooling and power generation, valued for its ability to efficiently convert temperature gradients into electrical current or vice versa. Its selection over alternatives like Bi2Te3 stems from optimized carrier concentration and thermal-to-electrical performance balance, making it a workhorse material in temperature control and waste-heat recovery systems where mechanical reliability and moderate operating temperatures are compatible.

thermoelectric cooling moduleswaste heat recovery systemstemperature sensing and controlportable electronics thermal managementindustrial process coolingaerospace thermal regulation

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
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lb/in³——
Verified Unverified Low confidence (<80%) Link to source
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Band Gap(Eg)
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Magnetic Moment(μB)
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µB——
Verified Unverified Low confidence (<80%) Link to source
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Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

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.