Cu4 Bi4 Pb4 S12
metal· Cu4 Bi4 Pb4 S12
Cu₄Bi₄Pb₄S₁₂ is a quaternary sulfide compound combining copper, bismuth, lead, and sulfur in a 1:1:1:3 stoichiometric ratio. This material belongs to the family of complex metal sulfides and is primarily of research interest for thermoelectric applications, where the combination of heavy elements (Bi, Pb) and sulfur anions can produce low thermal conductivity and favorable electronic properties. The compound is notable as a potential candidate for waste-heat recovery and solid-state cooling systems where conventional thermoelectrics may be cost-prohibitive, though it remains largely in the experimental phase compared to established materials like bismuth telluride.
thermoelectric power generationwaste heat recoverysolid-state cooling devicesresearch and developmentlow-cost thermoelectric alternativesmaterials screening
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.