Cu4 As4 Pb4 S12

semiconductor

· Cu4 As4 Pb4 S12

Cu₄As₄Pb₄S₁₂ is a quaternary sulfide semiconductor compound combining copper, arsenic, 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 and developmental interest rather than established industrial production. The compound is investigated for potential applications in thermoelectric energy conversion, photovoltaic devices, and solid-state electronics where its band gap and carrier transport properties could offer advantages over simpler binary or ternary semiconductors, though practical engineering use remains limited pending optimization of synthesis methods and device integration.

thermoelectric energy harvestingexperimental photovoltaicssolid-state device researchmaterials science investigationlow-temperature electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.8316	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3690	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.

Cu4 As4 Pb4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards