NaCu4S4 — Properties & Data | MatWorld

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:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.348	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00132	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00125	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	24.11	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	24.30	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4490	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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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.

NaCu4S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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