K4Ba2Nb4S22

semiconductor

· K4Ba2Nb4S22

K4Ba2Nb4S22 is a quaternary sulfide semiconductor compound containing potassium, barium, niobium, and sulfur elements. This is an experimental/research material studied primarily in solid-state chemistry and materials science for its potential as a functional semiconductor, likely explored for photocatalytic, optoelectronic, or ion-conducting applications given its mixed-metal sulfide composition. The material family is notable because transition metal sulfides like niobium-based compounds can offer tunable band gaps and layered crystal structures attractive for catalysis, energy conversion, or solid-state devices.

photocatalytic materials (research)semiconductor device developmentenergy conversion researchsolid-state chemistry explorationlayered sulfide compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.770	eV	—

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.

K4Ba2Nb4S22

Electrical Properties

Regulatory Screening

Environmental

Export Control