K4Nb2S11
semiconductor· K4Nb2S11
K4Nb2S11 is a layered transition metal sulfide compound combining potassium, niobium, and sulfur—a member of the ternary chalcogenide family that exhibits semiconductor behavior. This is a research-phase material studied primarily for its potential in energy storage, photocatalysis, and optoelectronic applications, where layered sulfide structures offer tunable electronic properties and ion-intercalation capability. The material is notable within exploratory materials science for applications requiring low-dimensional semiconductors with enhanced charge-carrier mobility or catalytic surface activity, though it remains largely confined to laboratory investigation rather than established industrial production.
battery electrodes and ion storagephotocatalytic hydrogen generationthin-film semiconductors (research)supercapacitor materialsoptoelectronic devices (emerging)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | 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.