K2 Nb2 Ag4 Se8

semiconductor
· K2 Nb2 Ag4 Se8

K₂Nb₂Ag₄Se₈ is a ternary/quaternary chalcogenide semiconductor compound combining potassium, niobium, silver, and selenium in a layered crystal structure. This is a research-phase material studied for its potential in thermoelectric energy conversion and optoelectronic applications, where the mixed-metal composition offers tunable electronic and phononic properties that differ from simpler binary or ternary alternatives. The silver-selenium bonds and niobium coordination create a framework that researchers are exploring for mid-range bandgap semiconductors and solid-state devices, though industrial deployment remains limited and the material is primarily of interest in exploratory materials chemistry and thin-film device development.

thermoelectric devices (experimental)optoelectronic researchthin-film semiconductorssolid-state energy conversionmaterials screening for novel compoundschalcogenide-based photonics (early-stage)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
—
eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
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.