K2NbCuS4
semiconductor· K2NbCuS4
K2NbCuS4 is an experimental ternary sulfide semiconductor compound containing potassium, niobium, copper, and sulfur. This material belongs to the family of layered metal sulfides and is primarily studied in research contexts for photovoltaic and thermoelectric applications, where its narrow bandgap and mixed-metal composition offer potential advantages over single-element semiconductors. Interest in this compound stems from the possibility of engineering band structure and transport properties through compositional tuning, though it remains largely confined to laboratory investigation rather than commercial deployment.
photovoltaic researchthin-film solar cellsthermoelectric devicesoptoelectronic materials researchquantum materials investigation
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.