K2Ho4Cu4S9
semiconductor· K2Ho4Cu4S9
K2Ho4Cu4S9 is an experimental ternary sulfide semiconductor compound containing potassium, holmium, and copper. This material belongs to the family of mixed-metal chalcogenides, which are of significant research interest for their tunable electronic and photonic properties. While not yet commercialized, such compounds are being investigated for potential applications in next-generation photovoltaics, thermoelectrics, and optoelectronic devices due to their layered crystal structures and ability to exhibit unusual band gap characteristics compared to conventional semiconductors.
photovoltaic researchthermoelectric materials developmentoptoelectronic devicessolid-state physics researchenergy conversion applicationsmaterials screening for semiconductors
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | — | eV | — | — | |
| ↳ | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
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.