Cu12 Bi4 S12

semiconductor

· Cu12 Bi4 S12

Cu12Bi4S12 is a quaternary chalcogenide semiconductor compound combining copper, bismuth, and sulfur in a fixed stoichiometric ratio. This material belongs to the family of complex sulfide semiconductors and remains primarily in the research phase, with interest driven by potential thermoelectric and photovoltaic applications where its unique band structure and phonon-scattering characteristics could offer advantages over simpler binary or ternary semiconductors.

thermoelectric energy conversionphotovoltaic researchthermal management devicessolid-state electronics R&Dlow-dimensional semiconductor physics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.7763	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2700	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.

Cu12 Bi4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control