Cu3AsS4

semiconductor
· Cu3AsS4

Cu₃AsS₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining copper with arsenic and sulfur in a crystalline structure. This material is primarily of research interest for photovoltaic and thermoelectric applications, where its semiconducting properties and elemental composition offer potential advantages in solar cell development and waste-heat recovery systems. Cu₃AsS₄ represents an underexplored alternative to more established semiconductor materials, though it remains largely in the experimental stage with limited commercial deployment compared to conventional silicon or chalcopyrite-based solar absorbers.

photovoltaic cells (research)thin-film solar devicesthermoelectric materials (experimental)semiconductor optoelectronicsmaterials substitution researchsustainable energy conversion

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
eV
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
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.
Cu3AsS4 — Properties & Data | MatWorld