NaNbS2 — Properties & Data | MatWorld

NaNbS2

metal

· JVASP-2691· NaNbS2

NaNbS2 is a layered metal sulfide compound combining sodium and niobium in a 2D crystal structure, belonging to the transition metal dichalcogenide (TMD) family. This material is primarily investigated in research contexts for energy storage and electrochemical applications, where its layered geometry and mixed-metal composition offer potential advantages in ion intercalation and electron transport compared to single-element alternatives. Engineers may consider NaNbS2-based materials for next-generation battery anodes and supercapacitor electrodes, though industrial deployment remains limited and the material is most relevant to exploratory projects in advanced energy systems.

battery anodes (research phase)supercapacitor electrodesion-intercalation deviceselectrochemical energy storage2D materials researchhigh-capacity sodium-ion systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	80.59	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	52.13	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.129	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7480	eV	DFT · OptB88vdW
↳	1.150	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	15.10	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	12.11	-	DFT · OptB88vdW
↳	11.04	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6600	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.6133	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00374	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000957	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-274.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	157.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.83	%	DFT · TBmBJ

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.340	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

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.

NaNbS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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