KY2CuS4
metal· JVASP-154675· KY2CuS4
KY2CuS4 is a copper sulfide compound with a complex ternary or quaternary composition that falls within the metal sulfide family. This material is primarily of research and development interest rather than established commercial production, being investigated for its potential in semiconductor, optoelectronic, and solid-state applications where copper sulfide phases offer tunable electronic properties. Engineers and materials scientists would consider this compound for niche applications in photovoltaic devices, thermoelectric materials, or solid-state chemistry where copper-sulfur stoichiometry provides advantages in band gap engineering or ionic conductivity over conventional alternatives.
semiconductor researchphotovoltaic absorber layersthermoelectric materialssolid-state ionic conductorsmaterials research compounds
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1356 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.009 | 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) | -1.838 | 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.