K3NbSe4

metal

· JVASP-22878· K3NbSe4

K3NbSe4 is an ternary metal selenide compound composed of potassium, niobium, and selenium, belonging to the family of layered chalcogenide materials. This is primarily a research compound studied for its electronic and optical properties rather than an established industrial material; it represents the broader class of transition metal selenides being investigated for next-generation semiconducting and photovoltaic applications.

semiconductor researchphotovoltaic materials developmentlayered chalcogenide compoundsexperimental optoelectronicssolid-state chemistrymaterials science exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1223	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.813	eV	DFT · OptB88vdW
↳	2.124	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.896	-	DFT · OptB88vdW
↳	5.233	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.310	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.917	me	DFT · OptB88vdW · 27°C
Thermoelectric Power Factor(PF)2 entries	0.000356	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000479	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-262.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	278.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	20.29	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.197	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

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K3NbSe4 — Properties & Data | MatWorld

K3NbSe4

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