CoCu2SiS4

metal
· JVASP-92980· CoCu2SiS4

CoCu₂SiS₄ is a quaternary sulfide compound combining cobalt, copper, and silicon in a sulfide matrix—a material family of interest for semiconductor and photovoltaic research rather than established commercial use. This compound belongs to the thiospinel or related sulfide structure class, being explored for potential applications in optoelectronic devices, photocatalysis, and energy conversion where sulfide-based semiconductors offer tunable band gaps and earth-abundant elemental composition. As a research-phase material, it represents an alternative to rare-earth or toxic-element semiconductors, though industrial adoption remains limited and engineering data is sparse.

photovoltaic/solar researchphotocatalysissemiconductor thin filmsoptoelectronic devicesexperimental materials development

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)
eV
Magnetic Moment(μB)
µB
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.