KNb4AgP2S20

metal

· JVASP-120527· KNb4AgP2S20

KNb4AgP2S20 is a complex mixed-metal sulfide compound containing potassium, niobium, silver, and phosphorus—a material composition that places it outside conventional structural alloy families. This is a research or specialized compound rather than a widely commercialized engineering material; it belongs to the broader family of multinary sulfide compounds being investigated for applications requiring specific electronic, ionic, or photonic properties. The silver and niobium content, combined with the sulfide chemistry, suggests potential relevance to ionic conductivity, photocatalysis, or optoelectronic device research, though industrial adoption remains limited to specialized laboratory or niche applications.

solid-state electrolytes (research)photocatalytic materials (development)semiconductor compounds (experimental)ion-conducting ceramicsexploratory electronic devicesmaterials chemistry research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.170	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.271	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.6864	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.

KNb4AgP2S20

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control