NaCu4S4

metal
· JVASP-18511· NaCu4S4

NaCu4S4 is a quaternary sulfide compound combining sodium, copper, and sulfur in a fixed stoichiometric ratio, belonging to the family of metal sulfides with potential semiconductor or ionic-conductor properties. This material is primarily of research interest rather than established industrial production, being investigated for applications in solid-state ionics, battery systems, and photovoltaic materials where mixed-metal sulfides offer tunable electronic properties. Engineers evaluating NaCu4S4 would consider it as an experimental candidate for niche applications requiring copper-based sulfide phases, competing against more mature materials like copper indium gallium selenide or conventional solid electrolytes depending on the specific electrochemical or optical requirements.

experimental battery materialssolid-state electrolytesphotovoltaic researchsemiconductor compoundsionic conductorscopper-sulfide systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
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kg/m³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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eV——
Magnetic Moment(μB)
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µB——
Seebeck Coefficient(S)
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µV/K——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.