KNb2Se — Properties & Data | MatWorld

KNb2Se

Name: KNb2Se
Brand: MatWorld

metal

· KNb2Se

KNb₂Se is an intermetallic compound combining potassium, niobium, and selenium—a material from the broader family of transition metal chalcogenides and Zintl phases that are primarily of research and exploratory interest rather than established commercial use. This compound belongs to a class of materials being investigated for potential applications in thermoelectric devices, energy conversion systems, and solid-state electronics due to the electronic properties characteristic of layered metal chalcogenides. As an experimental composition, KNb₂Se represents the type of ternary/quaternary phase that materials scientists develop when seeking novel combinations of thermal, electrical, or catalytic behavior not readily available in conventional alloys or ceramics.

thermoelectric materials (research)solid-state electronics (exploratory)energy conversion devicestransition metal chalcogenidesZintl phase compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.518	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	0.000	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00207	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00204	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	22.69	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	22.48	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.821	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	1.159	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.

KNb2Se

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control