KNbAg2Se4

metal

· JVASP-56730· KNbAg2Se4

KNbAg₂Se₄ is a ternary chalcogenide compound combining potassium, niobium, silver, and selenium—a material class typically studied for semiconducting and ion-conducting properties. This is primarily a research compound rather than an established industrial material; compounds in this family are investigated for potential applications in thermoelectric energy conversion, solid-state ionics, and optoelectronic devices where the combination of heavy elements and layered crystal structures can enable favorable electronic band gaps and phonon scattering. Engineers considering this material would be working in advanced materials development or exploratory device research rather than established manufacturing.

thermoelectric devicessolid-state ion conductorsresearch semiconductorschalcogenide optoelectronicsexploratory photovoltaics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1691	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	1.390	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-293.9	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00500	eV/atom	—
Formation Energy(ΔHf)	-0.6429	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.

KNbAg2Se4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control