Cu6 As2 S8

semiconductor

· Cu6 As2 S8

Cu₆As₂S₈ is a quaternary semiconductor compound belonging to the sulfide mineral family, structurally related to natural enargite and related phases. This material is primarily of research interest for its semiconducting behavior and potential in photovoltaic and thermoelectric applications, though industrial deployment remains limited compared to mainstream semiconductors like silicon or CdTe. The arsenic-sulfur-copper system has attracted attention for optoelectronic device development and as a model compound for understanding ternary semiconductor chemistry, though toxicity concerns and cost typically make alternatives more practical for commercial production.

photovoltaic researchexperimental semiconductorsthermoelectric materialsoptoelectronic devicesmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00730	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2500	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.

Cu6 As2 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control