K2TiCu2S4
semiconductor· K2TiCu2S4
K2TiCu2S4 is a ternary sulfide semiconductor compound containing potassium, titanium, and copper elements. This material is primarily of research interest rather than established industrial use, belonging to the family of mixed-metal chalcogenides being investigated for photovoltaic, thermoelectric, and optoelectronic applications where conventional semiconductors face limitations in cost or performance. The combination of earth-abundant elements (copper and sulfur) with tunable band gap properties makes it a candidate for next-generation energy conversion devices, though development remains in the exploratory phase.
photovoltaic researchthin-film solar cellsthermoelectric devicesoptoelectronic sensorsmaterials screening studiessulfide semiconductor research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1173 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.040 | eV | — | ||
| ↳ | 1.649 | eV | — | ||
Magnetic Moment(μB) | 0.000 | 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) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.177 | 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.